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8-Hour and Previous 1-Hour Ozone State/County Detail Report

Listed by State, County then Pollutant
As of July 31, 2009

8-Hr Ozone classified area designations for the 1997 standard are effective on June 15, 2004. Thirteen (13) 8-Hr EAC areas were designated attainment on April 15, 2008.

On June 8, 2007, the United States Court of Appeals vacated the Subpart 1 portion of the Phase 1 Rule (Court Order). The Subpart 1 areas in the Greenbook are listed as "Former Subpart 1" until reclassification of the areas is finalized. Proposed reclassifications were published on January 16, 2009 (74 FR 2936).

View Notes
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
ALABAMA
Jefferson Co
8-Hr Ozone [m]   Birmingham, AL - Former Subpart 1
1-Hr Ozone [m]   Birmingham, AL - Marginal
Shelby Co
8-Hr Ozone [m]   Birmingham, AL - Former Subpart 1
1-Hr Ozone [m]   Birmingham, AL - Marginal
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
ARIZONA
Maricopa Co
8-Hr Ozone * Phoenix-Mesa, AZ - Former Subpart 1
1-Hr Ozone [m] * Phoenix, AZ - Serious
Pinal Co
8-Hr Ozone * Phoenix-Mesa, AZ - Former Subpart 1
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
ARKANSAS
Crittenden Co
8-Hr Ozone   Memphis, TN-AR - Moderate
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
CALIFORNIA
Alameda Co
8-Hr Ozone   San Francisco Bay Area, CA - Marginal
1-Hr Ozone [n]   San Francisco Bay Area, CA - Other
Amador Co
8-Hr Ozone   Amador and Calaveras Cos (Central Mtn), CA - Former Subpart 1
Butte Co
8-Hr Ozone   Chico, CA - Former Subpart 1
1-Hr Ozone [n]   Chico, CA - Section 185A
Calaveras Co
8-Hr Ozone   Amador and Calaveras Cos (Central Mtn), CA - Former Subpart 1
Contra Costa Co
8-Hr Ozone   San Francisco Bay Area, CA - Marginal
1-Hr Ozone [n]   San Francisco Bay Area, CA - Other
El Dorado Co
8-Hr Ozone * Sacramento Metro, CA - Serious
1-Hr Ozone [n] * Sacramento Metro, CA - Severe-15
Fresno Co
8-Hr Ozone   San Joaquin Valley, CA - Serious
1-Hr Ozone [n]   San Joaquin Valley, CA - Extreme
Imperial Co
8-Hr Ozone   Imperial Co, CA - Moderate
1-Hr Ozone [n]   Imperial Co, CA - Section 185A
Kern Co
8-Hr Ozone * Kern Co (Eastern Kern), CA - Former Subpart 1
8-Hr Ozone * San Joaquin Valley, CA - Serious
1-Hr Ozone [m] * East Kern Co, CA - Serious
1-Hr Ozone [n] * San Joaquin Valley, CA - Extreme
Kings Co
8-Hr Ozone   San Joaquin Valley, CA - Serious
1-Hr Ozone [n]   San Joaquin Valley, CA - Extreme
Los Angeles Co
8-Hr Ozone * Los Angeles South Coast Air Basin, CA - Severe 17
8-Hr Ozone * Los Angeles-San Bernardino Cos(W Mojave),CA - Moderate
1-Hr Ozone [n] * Los Angeles South Coast Air Basin, CA - Extreme
1-Hr Ozone [n] * Southeast Desert Modified AQMA, CA - Severe-17
Madera Co
8-Hr Ozone   San Joaquin Valley, CA - Serious
1-Hr Ozone [n]   San Joaquin Valley, CA - Extreme
Marin Co
8-Hr Ozone   San Francisco Bay Area, CA - Marginal
1-Hr Ozone [n]   San Francisco Bay Area, CA - Other
Mariposa Co
8-Hr Ozone   Mariposa and Tuolumne Cos (Southern Mtn),CA - Former Subpart 1
Merced Co
8-Hr Ozone   San Joaquin Valley, CA - Serious
1-Hr Ozone [n]   San Joaquin Valley, CA - Extreme
Monterey Co
1-Hr Ozone [m]   Monterey Bay, CA - Moderate
Napa Co
8-Hr Ozone   San Francisco Bay Area, CA - Marginal
1-Hr Ozone [n]   San Francisco Bay Area, CA - Other
Nevada Co
8-Hr Ozone * Nevada Co. (Western Part), CA - Former Subpart 1
Orange Co
8-Hr Ozone   Los Angeles South Coast Air Basin, CA - Severe 17
1-Hr Ozone [n]   Los Angeles South Coast Air Basin, CA - Extreme
Placer Co
8-Hr Ozone * Sacramento Metro, CA - Serious
1-Hr Ozone [n] * Sacramento Metro, CA - Severe-15
Riverside Co
8-Hr Ozone * Los Angeles South Coast Air Basin, CA - Severe 17
8-Hr Ozone * Riverside Co, (Coachella Valley), CA - Serious
1-Hr Ozone [n] * Los Angeles South Coast Air Basin, CA - Extreme
1-Hr Ozone [n] * Southeast Desert Modified AQMA, CA - Severe-17
Sacramento Co
8-Hr Ozone   Sacramento Metro, CA - Serious
1-Hr Ozone [n]   Sacramento Metro, CA - Severe-15
San Benito Co
1-Hr Ozone [m]   Monterey Bay, CA - Moderate
San Bernardino Co
8-Hr Ozone * Los Angeles South Coast Air Basin, CA - Severe 17
8-Hr Ozone * Los Angeles-San Bernardino Cos(W Mojave),CA - Moderate
1-Hr Ozone [n] * Los Angeles South Coast Air Basin, CA - Extreme
1-Hr Ozone [n] * Southeast Desert Modified AQMA, CA - Severe-17
San Diego Co
8-Hr Ozone * San Diego, CA - Former Subpart 1
1-Hr Ozone [m]   San Diego, CA - Serious
San Francisco Co
8-Hr Ozone   San Francisco Bay Area, CA - Marginal
1-Hr Ozone [n]   San Francisco Bay Area, CA - Other
San Joaquin Co
8-Hr Ozone   San Joaquin Valley, CA - Serious
1-Hr Ozone [n]   San Joaquin Valley, CA - Extreme
San Mateo Co
8-Hr Ozone   San Francisco Bay Area, CA - Marginal
1-Hr Ozone [n]   San Francisco Bay Area, CA - Other
Santa Barbara Co
1-Hr Ozone [m]   Santa Barbara-Santa Maria-Lompoc, CA - Serious
Santa Clara Co
8-Hr Ozone   San Francisco Bay Area, CA - Marginal
1-Hr Ozone [n]   San Francisco Bay Area, CA - Other
Santa Cruz Co
1-Hr Ozone [m]   Monterey Bay, CA - Moderate
Solano Co
8-Hr Ozone * Sacramento Metro, CA - Serious
8-Hr Ozone * San Francisco Bay Area, CA - Marginal
1-Hr Ozone [n] * Sacramento Metro, CA - Severe-15
1-Hr Ozone [n] * San Francisco Bay Area, CA - Other
Sonoma Co
8-Hr Ozone * San Francisco Bay Area, CA - Marginal
1-Hr Ozone [n] * San Francisco Bay Area, CA - Other
Stanislaus Co
8-Hr Ozone   San Joaquin Valley, CA - Serious
1-Hr Ozone [n]   San Joaquin Valley, CA - Extreme
Sutter Co
8-Hr Ozone * Sacramento Metro, CA - Serious
8-Hr Ozone * Sutter Co (Sutter Buttes), CA - Former Subpart 1
1-Hr Ozone [n] * Sacramento Metro, CA - Severe-15
1-Hr Ozone [n] * Yuba City, CA - Section 185A
Tulare Co
8-Hr Ozone   San Joaquin Valley, CA - Serious
1-Hr Ozone [n]   San Joaquin Valley, CA - Extreme
Tuolumne Co
8-Hr Ozone   Mariposa and Tuolumne Cos (Southern Mtn),CA - Former Subpart 1
Ventura Co
8-Hr Ozone * Ventura Co, CA - Serious
1-Hr Ozone [n]   Ventura Co, CA - Severe-15*
Yolo Co
8-Hr Ozone   Sacramento Metro, CA - Serious
1-Hr Ozone [n]   Sacramento Metro, CA - Severe-15
Yuba Co
1-Hr Ozone [n]   Yuba City, CA - Section 185A
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
COLORADO
Adams Co
8-Hr Ozone   Denver-Boulder-Greeley-Ft Collins-Love., CO - Former Subpart 1
1-Hr Ozone [m] * Denver-Boulder, CO - Section 185A
Arapahoe Co
8-Hr Ozone   Denver-Boulder-Greeley-Ft Collins-Love., CO - Former Subpart 1
1-Hr Ozone [m] * Denver-Boulder, CO - Section 185A
Boulder Co
8-Hr Ozone   Denver-Boulder-Greeley-Ft Collins-Love., CO - Former Subpart 1
1-Hr Ozone [m] * Denver-Boulder, CO - Section 185A
Broomfield Co
8-Hr Ozone   Denver-Boulder-Greeley-Ft Collins-Love., CO - Former Subpart 1
1-Hr Ozone [m]   Denver-Boulder, CO - Section 185A
Denver Co
8-Hr Ozone   Denver-Boulder-Greeley-Ft Collins-Love., CO - Former Subpart 1
1-Hr Ozone [m]   Denver-Boulder, CO - Section 185A
Douglas Co
8-Hr Ozone   Denver-Boulder-Greeley-Ft Collins-Love., CO - Former Subpart 1
1-Hr Ozone [m]   Denver-Boulder, CO - Section 185A
Jefferson Co
8-Hr Ozone   Denver-Boulder-Greeley-Ft Collins-Love., CO - Former Subpart 1
1-Hr Ozone [m]   Denver-Boulder, CO - Section 185A
Larimer Co
8-Hr Ozone * Denver-Boulder-Greeley-Ft Collins-Love., CO - Former Subpart 1
Weld Co
8-Hr Ozone * Denver-Boulder-Greeley-Ft Collins-Love., CO - Former Subpart 1
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
CONNECTICUT
Fairfield Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n] * Greater Connecticut, CT - Serious
1-Hr Ozone [n] * New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Hartford Co
8-Hr Ozone   Greater Connecticut, CT - Moderate
1-Hr Ozone [n]   Greater Connecticut, CT - Serious
Litchfield Co
8-Hr Ozone   Greater Connecticut, CT - Moderate
1-Hr Ozone [n] * Greater Connecticut, CT - Serious
1-Hr Ozone [n] * New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Middlesex Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   Greater Connecticut, CT - Serious
New Haven Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   Greater Connecticut, CT - Serious
New London Co
8-Hr Ozone   Greater Connecticut, CT - Moderate
1-Hr Ozone [n]   Greater Connecticut, CT - Serious
Tolland Co
8-Hr Ozone   Greater Connecticut, CT - Moderate
1-Hr Ozone [n]   Greater Connecticut, CT - Serious
Windham Co
8-Hr Ozone   Greater Connecticut, CT - Moderate
1-Hr Ozone [n]   Greater Connecticut, CT - Serious
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
DELAWARE
Kent Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
New Castle Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
Sussex Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Sussex Co, DE - Marginal
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
DISTRICT OF COLUMBIA
Entire District
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
FLORIDA
Broward Co
1-Hr Ozone [m]   Miami-Fort Lauderdale-W. Palm Beach, FL - Moderate
Duval Co
1-Hr Ozone [m]   Jacksonville, FL - Section 185A
Hillsborough Co
1-Hr Ozone [m]   Tampa-St. Petersburg-Clearwater, FL - Marginal
Miami-Dade Co
1-Hr Ozone [m]   Miami-Fort Lauderdale-W. Palm Beach, FL - Moderate
Palm Beach Co
1-Hr Ozone [m]   Miami-Fort Lauderdale-W. Palm Beach, FL - Moderate
Pinellas Co
1-Hr Ozone [m]   Tampa-St. Petersburg-Clearwater, FL - Marginal
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
GEORGIA
Barrow Co
8-Hr Ozone   Atlanta, GA - Moderate
Bartow Co
8-Hr Ozone   Atlanta, GA - Moderate
Bibb Co
8-Hr Ozone [m]   Macon, GA - Former Subpart 1
Carroll Co
8-Hr Ozone   Atlanta, GA - Moderate
Cherokee Co
8-Hr Ozone   Atlanta, GA - Moderate
1-Hr Ozone [m]   Atlanta, GA - Severe-15
Clayton Co
8-Hr Ozone   Atlanta, GA - Moderate
1-Hr Ozone [m]   Atlanta, GA - Severe-15
Cobb Co
8-Hr Ozone   Atlanta, GA - Moderate
1-Hr Ozone [m]   Atlanta, GA - Severe-15
Coweta Co
8-Hr Ozone   Atlanta, GA - Moderate
1-Hr Ozone [m]   Atlanta, GA - Severe-15
De Kalb Co
8-Hr Ozone   Atlanta, GA - Moderate
1-Hr Ozone [m]   Atlanta, GA - Severe-15
Douglas Co
8-Hr Ozone   Atlanta, GA - Moderate
1-Hr Ozone [m]   Atlanta, GA - Severe-15
Fayette Co
8-Hr Ozone   Atlanta, GA - Moderate
1-Hr Ozone [m]   Atlanta, GA - Severe-15
Forsyth Co
8-Hr Ozone   Atlanta, GA - Moderate
1-Hr Ozone [m]   Atlanta, GA - Severe-15
Fulton Co
8-Hr Ozone   Atlanta, GA - Moderate
1-Hr Ozone [m]   Atlanta, GA - Severe-15
Gwinnett Co
8-Hr Ozone   Atlanta, GA - Moderate
1-Hr Ozone [m]   Atlanta, GA - Severe-15
Hall Co
8-Hr Ozone   Atlanta, GA - Moderate
Henry Co
8-Hr Ozone   Atlanta, GA - Moderate
1-Hr Ozone [m]   Atlanta, GA - Severe-15
Monroe Co
8-Hr Ozone [m] * Macon, GA - Former Subpart 1
Murray Co
8-Hr Ozone [m] * Murray Co (Chattahoochee Nat Forest), GA - Former Subpart 1
Newton Co
8-Hr Ozone   Atlanta, GA - Moderate
Paulding Co
8-Hr Ozone   Atlanta, GA - Moderate
1-Hr Ozone [m]   Atlanta, GA - Severe-15
Rockdale Co
8-Hr Ozone   Atlanta, GA - Moderate
1-Hr Ozone [m]   Atlanta, GA - Severe-15
Spalding Co
8-Hr Ozone   Atlanta, GA - Moderate
Walton Co
8-Hr Ozone   Atlanta, GA - Moderate
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
ILLINOIS
Cook Co
8-Hr Ozone   Chicago-Gary-Lake County, IL-IN - Moderate
1-Hr Ozone [n]   Chicago-Gary-Lake County, IL-IN - Severe-17
Du Page Co
8-Hr Ozone   Chicago-Gary-Lake County, IL-IN - Moderate
1-Hr Ozone [n]   Chicago-Gary-Lake County, IL-IN - Severe-17
Grundy Co
8-Hr Ozone * Chicago-Gary-Lake County, IL-IN - Moderate
1-Hr Ozone [n] * Chicago-Gary-Lake County, IL-IN - Severe-17
Jersey Co
8-Hr Ozone   St Louis, MO-IL - Moderate
1-Hr Ozone [m]   Jersey Co, IL - Marginal
Kane Co
8-Hr Ozone   Chicago-Gary-Lake County, IL-IN - Moderate
1-Hr Ozone [n]   Chicago-Gary-Lake County, IL-IN - Severe-17
Kendall Co
8-Hr Ozone * Chicago-Gary-Lake County, IL-IN - Moderate
1-Hr Ozone [n] * Chicago-Gary-Lake County, IL-IN - Severe-17
Lake Co
8-Hr Ozone   Chicago-Gary-Lake County, IL-IN - Moderate
1-Hr Ozone [n]   Chicago-Gary-Lake County, IL-IN - Severe-17
Madison Co
8-Hr Ozone   St Louis, MO-IL - Moderate
1-Hr Ozone [m]   St Louis, MO-IL - Serious
Mc Henry Co
8-Hr Ozone   Chicago-Gary-Lake County, IL-IN - Moderate
1-Hr Ozone [n]   Chicago-Gary-Lake County, IL-IN - Severe-17
Monroe Co
8-Hr Ozone   St Louis, MO-IL - Moderate
1-Hr Ozone [m]   St Louis, MO-IL - Serious
St Clair Co
8-Hr Ozone   St Louis, MO-IL - Moderate
1-Hr Ozone [m]   St Louis, MO-IL - Serious
Will Co
8-Hr Ozone   Chicago-Gary-Lake County, IL-IN - Moderate
1-Hr Ozone [n]   Chicago-Gary-Lake County, IL-IN - Severe-17
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
INDIANA
Allen Co
8-Hr Ozone [m]   Fort Wayne, IN - Former Subpart 1
Boone Co
8-Hr Ozone [m]   Indianapolis, IN - Former Subpart 1
Clark Co
8-Hr Ozone [m]   Louisville, KY-IN - Former Subpart 1
1-Hr Ozone [m]   Louisville, KY-IN - Moderate
Dearborn Co
8-Hr Ozone * Cincinnati-Hamilton, OH-KY-IN - Former Subpart 1
Delaware Co
8-Hr Ozone [m]   Muncie, IN - Former Subpart 1
Elkhart Co
8-Hr Ozone [m]   South Bend-Elkhart, IN - Former Subpart 1
1-Hr Ozone [m]   South Bend-Elkhart, IN - Marginal
Floyd Co
8-Hr Ozone [m]   Louisville, KY-IN - Former Subpart 1
1-Hr Ozone [m]   Louisville, KY-IN - Moderate
Greene Co
8-Hr Ozone [m]   Greene Co, IN - Former Subpart 1
Hamilton Co
8-Hr Ozone [m]   Indianapolis, IN - Former Subpart 1
Hancock Co
8-Hr Ozone [m]   Indianapolis, IN - Former Subpart 1
Hendricks Co
8-Hr Ozone [m]   Indianapolis, IN - Former Subpart 1
Jackson Co
8-Hr Ozone [m]   Jackson Co, IN - Former Subpart 1
Johnson Co
8-Hr Ozone [m]   Indianapolis, IN - Former Subpart 1
La Porte Co
8-Hr Ozone [m]   La Porte, IN - Marginal
Lake Co
8-Hr Ozone   Chicago-Gary-Lake County, IL-IN - Moderate
1-Hr Ozone [n]   Chicago-Gary-Lake County, IL-IN - Severe-17
Madison Co
8-Hr Ozone [m]   Indianapolis, IN - Former Subpart 1
Marion Co
8-Hr Ozone [m]   Indianapolis, IN - Former Subpart 1
1-Hr Ozone [m]   Indianapolis, IN - Marginal
Morgan Co
8-Hr Ozone [m]   Indianapolis, IN - Former Subpart 1
Porter Co
8-Hr Ozone   Chicago-Gary-Lake County, IL-IN - Moderate
1-Hr Ozone [n]   Chicago-Gary-Lake County, IL-IN - Severe-17
Shelby Co
8-Hr Ozone [m]   Indianapolis, IN - Former Subpart 1
St Joseph Co
8-Hr Ozone [m]   South Bend-Elkhart, IN - Former Subpart 1
1-Hr Ozone [m]   South Bend-Elkhart, IN - Marginal
Vanderburgh Co
8-Hr Ozone [m]   Evansville, IN - Former Subpart 1
1-Hr Ozone [m]   Evansville, IN - Marginal
Vigo Co
8-Hr Ozone [m]   Terre Haute, IN - Former Subpart 1
Warrick Co
8-Hr Ozone [m]   Evansville, IN - Former Subpart 1
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
KANSAS
Johnson Co
1-Hr Ozone [m]   Kansas City, MO-KS - Other
Wyandotte Co
1-Hr Ozone [m]   Kansas City, MO-KS - Other
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
KENTUCKY
Boone Co
8-Hr Ozone   Cincinnati-Hamilton, OH-KY-IN - Former Subpart 1
1-Hr Ozone [m]   Cincinnati-Hamilton, OH-KY - Moderate
Boyd Co
8-Hr Ozone [m]   Huntington-Ashland, WV-KY - Former Subpart 1
1-Hr Ozone [m]   Huntington-Ashland, WV-KY - Moderate*
Bullitt Co
8-Hr Ozone [m]   Louisville, KY-IN - Former Subpart 1
1-Hr Ozone [m] * Louisville, KY-IN - Moderate
Campbell Co
8-Hr Ozone   Cincinnati-Hamilton, OH-KY-IN - Former Subpart 1
1-Hr Ozone [m]   Cincinnati-Hamilton, OH-KY - Moderate
Christian Co
8-Hr Ozone [m]   Clarksville-Hopkinsville, TN-KY - Former Subpart 1
Daviess Co
1-Hr Ozone [m]   Owensboro, KY - Marginal
Edmonson Co
1-Hr Ozone [m]   Edmonson Co, KY - Marginal RT
Fayette Co
1-Hr Ozone [m]   Lexington-Fayette, KY - Marginal
Greenup Co
1-Hr Ozone [m] * Huntington-Ashland, WV-KY - Moderate*
Hancock Co
1-Hr Ozone [m] * Owensboro, KY - Marginal
Jefferson Co
8-Hr Ozone [m]   Louisville, KY-IN - Former Subpart 1
1-Hr Ozone [m]   Louisville, KY-IN - Moderate
Kenton Co
8-Hr Ozone   Cincinnati-Hamilton, OH-KY-IN - Former Subpart 1
1-Hr Ozone [m]   Cincinnati-Hamilton, OH-KY - Moderate
Livingston Co
1-Hr Ozone [m] * Paducah, KY - Marginal
Marshall Co
1-Hr Ozone [m]   Paducah, KY - Marginal
Oldham Co
8-Hr Ozone [m]   Louisville, KY-IN - Former Subpart 1
1-Hr Ozone [m] * Louisville, KY-IN - Moderate
Scott Co
1-Hr Ozone [m]   Lexington-Fayette, KY - Marginal
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
LOUISIANA
Ascension Par
8-Hr Ozone   Baton Rouge, LA - Moderate
1-Hr Ozone [n]   Baton Rouge, LA - Severe-15
Beauregard Par
1-Hr Ozone [m]   Beauregard Par, LA - Incomplete Data
Calcasieu Par
1-Hr Ozone [m]   Lake Charles, LA - Marginal
East Baton Rouge Par
8-Hr Ozone   Baton Rouge, LA - Moderate
1-Hr Ozone [n]   Baton Rouge, LA - Severe-15
Grant Par
1-Hr Ozone [m]   Grant Par, LA - Incomplete Data
Iberville Par
8-Hr Ozone   Baton Rouge, LA - Moderate
1-Hr Ozone [n]   Baton Rouge, LA - Severe-15
Jefferson Par
1-Hr Ozone [m]   New Orleans, LA - Section 185A
Lafayette Par
1-Hr Ozone [m]   Lafayette, LA - Section 185A
Lafourche Par
1-Hr Ozone [m]   LaFourche Par, LA - Incomplete Data
Livingston Par
8-Hr Ozone   Baton Rouge, LA - Moderate
1-Hr Ozone [n]   Baton Rouge, LA - Severe-15
Orleans Par
1-Hr Ozone [m]   New Orleans, LA - Section 185A
Pointe Coupee Par
1-Hr Ozone [m]   Pointe Coupee Parish, LA - Marginal
St Bernard Par
1-Hr Ozone [m]   New Orleans, LA - Section 185A
St Charles Par
1-Hr Ozone [m]   New Orleans, LA - Section 185A
St James Par
1-Hr Ozone [m]   St James Par, LA - Incomplete Data
St Mary Par
1-Hr Ozone [m]   St Mary Par, LA - Incomplete Data
West Baton Rouge Par
8-Hr Ozone   Baton Rouge, LA - Moderate
1-Hr Ozone [n]   Baton Rouge, LA - Severe-15
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
MAINE
Androscoggin Co
8-Hr Ozone [m] * Portland, ME - Marginal
1-Hr Ozone [n]   Lewiston-Auburn, ME - Moderate*
Cumberland Co
8-Hr Ozone [m] * Portland, ME - Marginal
1-Hr Ozone [n]   Portland, ME - Moderate
Hancock Co
8-Hr Ozone [m] * Hancock, Knox, Lincoln & Waldo Cos, ME - Former Subpart 1
1-Hr Ozone [m]   Hancock & Waldo Cos, ME - Marginal
Kennebec Co
1-Hr Ozone [n]   Lewiston-Auburn, ME - Moderate*
Knox Co
8-Hr Ozone [m] * Hancock, Knox, Lincoln & Waldo Cos, ME - Former Subpart 1
1-Hr Ozone [n]   Knox & Lincoln Co.s, ME - Moderate*
Lincoln Co
8-Hr Ozone [m] * Hancock, Knox, Lincoln & Waldo Cos, ME - Former Subpart 1
1-Hr Ozone [n]   Knox & Lincoln Co.s, ME - Moderate*
Sagadahoc Co
8-Hr Ozone [m]   Portland, ME - Marginal
1-Hr Ozone [n]   Portland, ME - Moderate
Waldo Co
8-Hr Ozone [m] * Hancock, Knox, Lincoln & Waldo Cos, ME - Former Subpart 1
1-Hr Ozone [m]   Hancock & Waldo Cos, ME - Marginal
York Co
8-Hr Ozone [m] * Portland, ME - Marginal
1-Hr Ozone [n]   Portland, ME - Moderate
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
MARYLAND
Anne Arundel Co
8-Hr Ozone   Baltimore, MD - Moderate
1-Hr Ozone [n]   Baltimore, MD - Severe-15
Baltimore (City)
8-Hr Ozone   Baltimore, MD - Moderate
1-Hr Ozone [n]   Baltimore, MD - Severe-15
Baltimore Co
8-Hr Ozone   Baltimore, MD - Moderate
1-Hr Ozone [n]   Baltimore, MD - Severe-15
Calvert Co
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Carroll Co
8-Hr Ozone   Baltimore, MD - Moderate
1-Hr Ozone [n]   Baltimore, MD - Severe-15
Cecil Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
Charles Co
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Frederick Co
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Harford Co
8-Hr Ozone   Baltimore, MD - Moderate
1-Hr Ozone [n]   Baltimore, MD - Severe-15
Howard Co
8-Hr Ozone   Baltimore, MD - Moderate
1-Hr Ozone [n]   Baltimore, MD - Severe-15
Kent Co
8-Hr Ozone [m]   Kent and Queen Anne's Cos, MD - Marginal
1-Hr Ozone [m]   Kent & Queen Anne's Co.s, MD - Marginal
Montgomery Co
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Prince George's Co
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Queen Annes Co
8-Hr Ozone [m]   Kent and Queen Anne's Cos, MD - Marginal
1-Hr Ozone [m]   Kent & Queen Anne's Co.s, MD - Marginal
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
MASSACHUSETTS
Barnstable Co
8-Hr Ozone   Boston-Lawrence-Worcester (E. MA), MA - Moderate
1-Hr Ozone [n]   Boston-Lawrence-Worcester (E. MA), MA-NH - Serious
Berkshire Co
8-Hr Ozone   Springfield (Western MA), MA - Moderate
1-Hr Ozone [n]   Springfield (Western MA), MA - Serious
Bristol Co
8-Hr Ozone   Boston-Lawrence-Worcester (E. MA), MA - Moderate
1-Hr Ozone [n]   Boston-Lawrence-Worcester (E. MA), MA-NH - Serious
Dukes Co
8-Hr Ozone   Boston-Lawrence-Worcester (E. MA), MA - Moderate
1-Hr Ozone [n]   Boston-Lawrence-Worcester (E. MA), MA-NH - Serious
Essex Co
8-Hr Ozone   Boston-Lawrence-Worcester (E. MA), MA - Moderate
1-Hr Ozone [n]   Boston-Lawrence-Worcester (E. MA), MA-NH - Serious
Franklin Co
8-Hr Ozone   Springfield (Western MA), MA - Moderate
1-Hr Ozone [n]   Springfield (Western MA), MA - Serious
Hampden Co
8-Hr Ozone   Springfield (Western MA), MA - Moderate
1-Hr Ozone [n]   Springfield (Western MA), MA - Serious
Hampshire Co
8-Hr Ozone   Springfield (Western MA), MA - Moderate
1-Hr Ozone [n]   Springfield (Western MA), MA - Serious
Middlesex Co
8-Hr Ozone   Boston-Lawrence-Worcester (E. MA), MA - Moderate
1-Hr Ozone [n]   Boston-Lawrence-Worcester (E. MA), MA-NH - Serious
Nantucket Co
8-Hr Ozone   Boston-Lawrence-Worcester (E. MA), MA - Moderate
1-Hr Ozone [n]   Boston-Lawrence-Worcester (E. MA), MA-NH - Serious
Norfolk Co
8-Hr Ozone   Boston-Lawrence-Worcester (E. MA), MA - Moderate
1-Hr Ozone [n]   Boston-Lawrence-Worcester (E. MA), MA-NH - Serious
Plymouth Co
8-Hr Ozone   Boston-Lawrence-Worcester (E. MA), MA - Moderate
1-Hr Ozone [n]   Boston-Lawrence-Worcester (E. MA), MA-NH - Serious
Suffolk Co
8-Hr Ozone   Boston-Lawrence-Worcester (E. MA), MA - Moderate
1-Hr Ozone [n]   Boston-Lawrence-Worcester (E. MA), MA-NH - Serious
Worcester Co
8-Hr Ozone   Boston-Lawrence-Worcester (E. MA), MA - Moderate
1-Hr Ozone [n]   Boston-Lawrence-Worcester (E. MA), MA-NH - Serious
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
MICHIGAN
Allegan Co
8-Hr Ozone   Allegan Co, MI - Former Subpart 1
1-Hr Ozone [m]   Allegan Co, MI - Incomplete Data
Bay Co
1-Hr Ozone [m]   Saginaw-Bay City-Midland, MI - Incomplete Data
Benzie Co
8-Hr Ozone [m]   Benzie Co, MI - Former Subpart 1
Berrien Co
8-Hr Ozone [m]   Benton Harbor, MI - Former Subpart 1
Calhoun Co
8-Hr Ozone [m]   Kalamazoo-Battle Creek, MI - Former Subpart 1
Cass Co
8-Hr Ozone [m]   Cass Co, MI - Marginal
Clinton Co
8-Hr Ozone [m]   Lansing-East Lansing, MI - Former Subpart 1
Eaton Co
8-Hr Ozone [m]   Lansing-East Lansing, MI - Former Subpart 1
Genesee Co
8-Hr Ozone [m]   Flint, MI - Former Subpart 1
1-Hr Ozone [m]   Flint, MI - Section 185A
Huron Co
8-Hr Ozone [m]   Huron Co, MI - Former Subpart 1
Ingham Co
8-Hr Ozone [m]   Lansing-East Lansing, MI - Former Subpart 1
Kalamazoo Co
8-Hr Ozone [m]   Kalamazoo-Battle Creek, MI - Former Subpart 1
Kent Co
8-Hr Ozone [m]   Grand Rapids, MI - Former Subpart 1
1-Hr Ozone [m]   Grand Rapids, MI - Moderate
Lapeer Co
8-Hr Ozone [m]   Flint, MI - Former Subpart 1
Lenawee Co
8-Hr Ozone [m]   Detroit-Ann Arbor, MI - Marginal
Livingston Co
8-Hr Ozone [m]   Detroit-Ann Arbor, MI - Marginal
1-Hr Ozone [m]   Detroit-Ann Arbor, MI - Moderate
Macomb Co
8-Hr Ozone [m]   Detroit-Ann Arbor, MI - Marginal
1-Hr Ozone [m]   Detroit-Ann Arbor, MI - Moderate
Mason Co
8-Hr Ozone [m]   Mason Co, MI - Former Subpart 1
Midland Co
1-Hr Ozone [m]   Saginaw-Bay City-Midland, MI - Incomplete Data
Monroe Co
8-Hr Ozone [m]   Detroit-Ann Arbor, MI - Marginal
1-Hr Ozone [m]   Detroit-Ann Arbor, MI - Moderate
Muskegon Co
8-Hr Ozone [m]   Muskegon, MI - Marginal
1-Hr Ozone [m]   Muskegon, MI - Moderate
Oakland Co
8-Hr Ozone [m]   Detroit-Ann Arbor, MI - Marginal
1-Hr Ozone [m]   Detroit-Ann Arbor, MI - Moderate
Ottawa Co
8-Hr Ozone [m]   Grand Rapids, MI - Former Subpart 1
1-Hr Ozone [m]   Grand Rapids, MI - Moderate
Saginaw Co
1-Hr Ozone [m]   Saginaw-Bay City-Midland, MI - Incomplete Data
St Clair Co
8-Hr Ozone [m]   Detroit-Ann Arbor, MI - Marginal
1-Hr Ozone [m]   Detroit-Ann Arbor, MI - Moderate
Van Buren Co
8-Hr Ozone [m]   Kalamazoo-Battle Creek, MI - Former Subpart 1
Washtenaw Co
8-Hr Ozone [m]   Detroit-Ann Arbor, MI - Marginal
1-Hr Ozone [m]   Detroit-Ann Arbor, MI - Moderate
Wayne Co
8-Hr Ozone [m]   Detroit-Ann Arbor, MI - Marginal
1-Hr Ozone [m]   Detroit-Ann Arbor, MI - Moderate
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
MISSOURI
Clay Co
1-Hr Ozone [m]   Kansas City, MO-KS - Other
Franklin Co
8-Hr Ozone   St Louis, MO-IL - Moderate
1-Hr Ozone [m]   St Louis, MO-IL - Serious
Jackson Co
1-Hr Ozone [m]   Kansas City, MO-KS - Other
Jefferson Co
8-Hr Ozone   St Louis, MO-IL - Moderate
1-Hr Ozone [m]   St Louis, MO-IL - Serious
Platte Co
1-Hr Ozone [m]   Kansas City, MO-KS - Other
St Charles Co
8-Hr Ozone   St Louis, MO-IL - Moderate
1-Hr Ozone [m]   St Louis, MO-IL - Serious
St Louis
8-Hr Ozone   St Louis, MO-IL - Moderate
1-Hr Ozone [m]   St Louis, MO-IL - Serious
St Louis Co
8-Hr Ozone   St Louis, MO-IL - Moderate
1-Hr Ozone [m]   St Louis, MO-IL - Serious
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
NEVADA
Clark Co
8-Hr Ozone * Las Vegas, NV - Former Subpart 1
Washoe Co
1-Hr Ozone [n]   Reno, NV - Marginal
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
NEW HAMPSHIRE
Cheshire Co
1-Hr Ozone [n]   Cheshire Co, NH - Incomplete Data
Hillsborough Co
8-Hr Ozone * Boston-Manchester-Portsmouth(SE),NH - Moderate
1-Hr Ozone [n] * Boston-Lawrence-Worcester (E. MA), MA-NH - Serious
1-Hr Ozone [n] * Manchester, NH - Marginal
Merrimack Co
8-Hr Ozone * Boston-Manchester-Portsmouth(SE),NH - Moderate
1-Hr Ozone [n]   Manchester, NH - Marginal
Rockingham Co
8-Hr Ozone * Boston-Manchester-Portsmouth(SE),NH - Moderate
1-Hr Ozone [n] * Boston-Lawrence-Worcester (E. MA), MA-NH - Serious
1-Hr Ozone [n] * Manchester, NH - Marginal
1-Hr Ozone [n] * Portsmouth-Dover-Rochester, NH - Serious
Strafford Co
8-Hr Ozone * Boston-Manchester-Portsmouth(SE),NH - Moderate
1-Hr Ozone [n]   Portsmouth-Dover-Rochester, NH - Serious
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
NEW JERSEY
Atlantic Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Atlantic City, NJ - Moderate
Bergen Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Burlington Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
Camden Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
Cape May Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Atlantic City, NJ - Moderate
Cumberland Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
Essex Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Gloucester Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
Hudson Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Hunterdon Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Mercer Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
Middlesex Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Monmouth Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Morris Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Ocean Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Passaic Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Salem Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
Somerset Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Sussex Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Union Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Warren Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   Allentown-Bethlehem-Easton, PA-NJ - Marginal
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
NEW MEXICO
Dona Ana Co
1-Hr Ozone [n] * Sunland Park, NM (New Area 1995) - Marginal
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
NEW YORK
Albany Co
8-Hr Ozone   Albany-Schenectady-Troy, NY - Former Subpart 1
1-Hr Ozone [n]   Albany-Schenectady-Troy, NY - Marginal
Bronx Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Chautauqua Co
8-Hr Ozone   Jamestown, NY - Former Subpart 1
Dutchess Co
8-Hr Ozone   Poughkeepsie, NY - Moderate
1-Hr Ozone [n]   Poughkeepsie, NY - Moderate
Erie Co
8-Hr Ozone   Buffalo-Niagara Falls, NY - Former Subpart 1
1-Hr Ozone [n]   Buffalo-Niagara Falls, NY - Marginal
Essex Co
8-Hr Ozone * Essex Co (Whiteface Mtn), NY - Former Subpart 1
1-Hr Ozone [n] * Essex Co, NY - Marginal RT
Genesee Co
8-Hr Ozone   Rochester, NY - Former Subpart 1
Greene Co
8-Hr Ozone   Albany-Schenectady-Troy, NY - Former Subpart 1
1-Hr Ozone [n]   Albany-Schenectady-Troy, NY - Marginal
Jefferson Co
8-Hr Ozone   Jefferson Co, NY - Moderate
1-Hr Ozone [n]   Jefferson Co, NY - Marginal*
Kings Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Livingston Co
8-Hr Ozone   Rochester, NY - Former Subpart 1
Monroe Co
8-Hr Ozone   Rochester, NY - Former Subpart 1
Montgomery Co
8-Hr Ozone   Albany-Schenectady-Troy, NY - Former Subpart 1
1-Hr Ozone [n]   Albany-Schenectady-Troy, NY - Marginal
Nassau Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
New York Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Niagara Co
8-Hr Ozone   Buffalo-Niagara Falls, NY - Former Subpart 1
1-Hr Ozone [n]   Buffalo-Niagara Falls, NY - Marginal
Ontario Co
8-Hr Ozone   Rochester, NY - Former Subpart 1
Orange Co
8-Hr Ozone   Poughkeepsie, NY - Moderate
1-Hr Ozone [n] * New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
1-Hr Ozone [n] * Poughkeepsie, NY - Moderate
Orleans Co
8-Hr Ozone   Rochester, NY - Former Subpart 1
Putnam Co
8-Hr Ozone   Poughkeepsie, NY - Moderate
1-Hr Ozone [n]   Poughkeepsie, NY - Moderate
Queens Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Rensselaer Co
8-Hr Ozone   Albany-Schenectady-Troy, NY - Former Subpart 1
1-Hr Ozone [n]   Albany-Schenectady-Troy, NY - Marginal
Richmond Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Rockland Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Saratoga Co
8-Hr Ozone   Albany-Schenectady-Troy, NY - Former Subpart 1
1-Hr Ozone [n]   Albany-Schenectady-Troy, NY - Marginal
Schenectady Co
8-Hr Ozone   Albany-Schenectady-Troy, NY - Former Subpart 1
1-Hr Ozone [n]   Albany-Schenectady-Troy, NY - Marginal
Schoharie Co
8-Hr Ozone   Albany-Schenectady-Troy, NY - Former Subpart 1
Suffolk Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
Wayne Co
8-Hr Ozone   Rochester, NY - Former Subpart 1
Westchester Co
8-Hr Ozone   New York-N. New Jersey-Long Island,NY-NJ-CT - Moderate
1-Hr Ozone [n]   New York-N. New Jersey-Long Island, NY-NJ-CT - Severe-17
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
NORTH CAROLINA
Cabarrus Co
8-Hr Ozone   Charlotte-Gastonia-Rock Hill, NC-SC - Moderate
Chatham Co
8-Hr Ozone [m] * Raleigh-Durham-Chapel Hill, NC - Former Subpart 1
Davidson Co
1-Hr Ozone [m]   Greensboro-Winston Salem-High Point, NC - Moderate
Davie Co
1-Hr Ozone [m] * Greensboro-Winston Salem-High Point, NC - Moderate
Durham Co
8-Hr Ozone [m]   Raleigh-Durham-Chapel Hill, NC - Former Subpart 1
1-Hr Ozone [m]   Raleigh-Durham, NC - Moderate
Edgecombe Co
8-Hr Ozone [m]   Rocky Mount, NC - Former Subpart 1
Forsyth Co
1-Hr Ozone [m]   Greensboro-Winston Salem-High Point, NC - Moderate
Franklin Co
8-Hr Ozone [m]   Raleigh-Durham-Chapel Hill, NC - Former Subpart 1
Gaston Co
8-Hr Ozone   Charlotte-Gastonia-Rock Hill, NC-SC - Moderate
1-Hr Ozone [m]   Charlotte-Gastonia, NC - Moderate
Granville Co
8-Hr Ozone [m]   Raleigh-Durham-Chapel Hill, NC - Former Subpart 1
1-Hr Ozone [m] * Raleigh-Durham, NC - Moderate
Guilford Co
1-Hr Ozone [m]   Greensboro-Winston Salem-High Point, NC - Moderate
Haywood Co
8-Hr Ozone * Haywood and Swain Cos (Great Smoky NP), NC - Former Subpart 1
Iredell Co
8-Hr Ozone * Charlotte-Gastonia-Rock Hill, NC-SC - Moderate
Johnston Co
8-Hr Ozone [m]   Raleigh-Durham-Chapel Hill, NC - Former Subpart 1
Lincoln Co
8-Hr Ozone   Charlotte-Gastonia-Rock Hill, NC-SC - Moderate
Mecklenburg Co
8-Hr Ozone   Charlotte-Gastonia-Rock Hill, NC-SC - Moderate
1-Hr Ozone [m]   Charlotte-Gastonia, NC - Moderate
Nash Co
8-Hr Ozone [m]   Rocky Mount, NC - Former Subpart 1
Orange Co
8-Hr Ozone [m]   Raleigh-Durham-Chapel Hill, NC - Former Subpart 1
Person Co
8-Hr Ozone [m]   Raleigh-Durham-Chapel Hill, NC - Former Subpart 1
Rowan Co
8-Hr Ozone   Charlotte-Gastonia-Rock Hill, NC-SC - Moderate
Swain Co
8-Hr Ozone * Haywood and Swain Cos (Great Smoky NP), NC - Former Subpart 1
Union Co
8-Hr Ozone   Charlotte-Gastonia-Rock Hill, NC-SC - Moderate
Wake Co
8-Hr Ozone [m]   Raleigh-Durham-Chapel Hill, NC - Former Subpart 1
1-Hr Ozone [m]   Raleigh-Durham, NC - Moderate
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
OHIO
Allen Co
8-Hr Ozone [m]   Lima, OH - Former Subpart 1
Ashtabula Co
8-Hr Ozone   Cleveland-Akron-Lorain, OH - Moderate
1-Hr Ozone [m]   Cleveland-Akron-Lorain, OH - Moderate
Belmont Co
8-Hr Ozone [m]   Wheeling, WV-OH - Former Subpart 1
Butler Co
8-Hr Ozone   Cincinnati-Hamilton, OH-KY-IN - Former Subpart 1
1-Hr Ozone [m]   Cincinnati-Hamilton, OH-KY - Moderate
Clark Co
8-Hr Ozone [m]   Dayton-Springfield, OH - Former Subpart 1
1-Hr Ozone [m]   Dayton-Springfield, OH - Moderate
Clermont Co
8-Hr Ozone   Cincinnati-Hamilton, OH-KY-IN - Former Subpart 1
1-Hr Ozone [m]   Cincinnati-Hamilton, OH-KY - Moderate
Clinton Co
8-Hr Ozone   Cincinnati-Hamilton, OH-KY-IN - Former Subpart 1
1-Hr Ozone [m]   Clinton Co, OH - Section 185A
Columbiana Co
8-Hr Ozone [m]   Youngstown-Warren-Sharon, OH-PA - Former Subpart 1
1-Hr Ozone [m]   Columbiana Co, OH - Incomplete Data
Cuyahoga Co
8-Hr Ozone   Cleveland-Akron-Lorain, OH - Moderate
1-Hr Ozone [m]   Cleveland-Akron-Lorain, OH - Moderate
Delaware Co
8-Hr Ozone   Columbus, OH - Former Subpart 1
1-Hr Ozone [m]   Columbus, OH - Marginal
Fairfield Co
8-Hr Ozone   Columbus, OH - Former Subpart 1
Franklin Co
8-Hr Ozone   Columbus, OH - Former Subpart 1
1-Hr Ozone [m]   Columbus, OH - Marginal
Geauga Co
8-Hr Ozone   Cleveland-Akron-Lorain, OH - Moderate
1-Hr Ozone [m]   Cleveland-Akron-Lorain, OH - Moderate
Greene Co
8-Hr Ozone [m]   Dayton-Springfield, OH - Former Subpart 1
1-Hr Ozone [m]   Dayton-Springfield, OH - Moderate
Hamilton Co
8-Hr Ozone   Cincinnati-Hamilton, OH-KY-IN - Former Subpart 1
1-Hr Ozone [m]   Cincinnati-Hamilton, OH-KY - Moderate
Jefferson Co
8-Hr Ozone [m]   Steubenville-Weirton, OH-WV - Former Subpart 1
1-Hr Ozone [m]   Steubenville, OH - Section 185A
Knox Co
8-Hr Ozone   Columbus, OH - Former Subpart 1
Lake Co
8-Hr Ozone   Cleveland-Akron-Lorain, OH - Moderate
1-Hr Ozone [m]   Cleveland-Akron-Lorain, OH - Moderate
Licking Co
8-Hr Ozone   Columbus, OH - Former Subpart 1
1-Hr Ozone [m]   Columbus, OH - Marginal
Lorain Co
8-Hr Ozone   Cleveland-Akron-Lorain, OH - Moderate
1-Hr Ozone [m]   Cleveland-Akron-Lorain, OH - Moderate
Lucas Co
8-Hr Ozone [m]   Toledo, OH - Former Subpart 1
1-Hr Ozone [m]   Toledo, OH - Moderate
Madison Co
8-Hr Ozone   Columbus, OH - Former Subpart 1
Mahoning Co
8-Hr Ozone [m]   Youngstown-Warren-Sharon, OH-PA - Former Subpart 1
1-Hr Ozone [m]   Youngstown-Warren-Sharon, OH portion - Marginal
Medina Co
8-Hr Ozone   Cleveland-Akron-Lorain, OH - Moderate
1-Hr Ozone [m]   Cleveland-Akron-Lorain, OH - Moderate
Miami Co
8-Hr Ozone [m]   Dayton-Springfield, OH - Former Subpart 1
1-Hr Ozone [m]   Dayton-Springfield, OH - Moderate
Montgomery Co
8-Hr Ozone [m]   Dayton-Springfield, OH - Former Subpart 1
1-Hr Ozone [m]   Dayton-Springfield, OH - Moderate
Portage Co
8-Hr Ozone   Cleveland-Akron-Lorain, OH - Moderate
1-Hr Ozone [m]   Cleveland-Akron-Lorain, OH - Moderate
Preble Co
1-Hr Ozone [m]   Preble Co, OH - Section 185A
Stark Co
8-Hr Ozone [m]   Canton-Massillon, OH - Former Subpart 1
1-Hr Ozone [m]   Canton, OH - Marginal
Summit Co
8-Hr Ozone   Cleveland-Akron-Lorain, OH - Moderate
1-Hr Ozone [m]   Cleveland-Akron-Lorain, OH - Moderate
Trumbull Co
8-Hr Ozone [m]   Youngstown-Warren-Sharon, OH-PA - Former Subpart 1
1-Hr Ozone [m]   Youngstown-Warren-Sharon, OH portion - Marginal
Warren Co
8-Hr Ozone   Cincinnati-Hamilton, OH-KY-IN - Former Subpart 1
1-Hr Ozone [m]   Cincinnati-Hamilton, OH-KY - Moderate
Washington Co
8-Hr Ozone [m]   Parkersburg-Marietta, WV-OH - Former Subpart 1
Wood Co
8-Hr Ozone [m]   Toledo, OH - Former Subpart 1
1-Hr Ozone [m]   Toledo, OH - Moderate
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
OREGON
Clackamas Co
1-Hr Ozone [m] * Portland-Vancouver AQMA, OR-WA - Marginal
Marion Co
1-Hr Ozone [n] * Salem, OR - Incomplete Data
Multnomah Co
1-Hr Ozone [m] * Portland-Vancouver AQMA, OR-WA - Marginal
Polk Co
1-Hr Ozone [n] * Salem, OR - Incomplete Data
Washington Co
1-Hr Ozone [m] * Portland-Vancouver AQMA, OR-WA - Marginal
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
PENNSYLVANIA
Adams Co
8-Hr Ozone [m]   York, PA - Former Subpart 1
1-Hr Ozone [n]   York, PA - Marginal
Allegheny Co
8-Hr Ozone   Pittsburgh-Beaver Valley, PA - Former Subpart 1
1-Hr Ozone [m]   Pittsburgh-Beaver Valley, PA - Moderate
Armstrong Co
8-Hr Ozone   Pittsburgh-Beaver Valley, PA - Former Subpart 1
1-Hr Ozone [m]   Pittsburgh-Beaver Valley, PA - Moderate
Beaver Co
8-Hr Ozone   Pittsburgh-Beaver Valley, PA - Former Subpart 1
1-Hr Ozone [m]   Pittsburgh-Beaver Valley, PA - Moderate
Berks Co
8-Hr Ozone [m]   Reading, PA - Former Subpart 1
1-Hr Ozone [m]   Reading, PA - Moderate
Blair Co
8-Hr Ozone [m]   Altoona, PA - Former Subpart 1
1-Hr Ozone [n]   Altoona, PA - Marginal
Bucks Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
Butler Co
8-Hr Ozone   Pittsburgh-Beaver Valley, PA - Former Subpart 1
1-Hr Ozone [m]   Pittsburgh-Beaver Valley, PA - Moderate
Cambria Co
8-Hr Ozone [m]   Johnstown, PA - Former Subpart 1
1-Hr Ozone [n]   Johnstown, PA - Marginal
Carbon Co
8-Hr Ozone [m]   Allentown-Bethlehem-Easton, PA - Former Subpart 1
1-Hr Ozone [n]   Allentown-Bethlehem-Easton, PA-NJ - Marginal
Centre Co
8-Hr Ozone [m]   State College, PA - Former Subpart 1
Chester Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
Clearfield Co
8-Hr Ozone [m]   Clearfield and Indiana Cos, PA - Former Subpart 1
Columbia Co
1-Hr Ozone [n]   Scranton-Wilkes-Barre, PA - Marginal
Crawford Co
1-Hr Ozone [n]   Crawford Co, PA - Incomplete Data
Cumberland Co
8-Hr Ozone [m]   Harrisburg-Lebanon-Carlisle, PA - Former Subpart 1
1-Hr Ozone [n]   Harrisburg-Lebanon-Carlisle, PA - Marginal
Dauphin Co
8-Hr Ozone [m]   Harrisburg-Lebanon-Carlisle, PA - Former Subpart 1
1-Hr Ozone [n]   Harrisburg-Lebanon-Carlisle, PA - Marginal
Delaware Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
Erie Co
8-Hr Ozone [m]   Erie, PA - Former Subpart 1
1-Hr Ozone [n]   Erie, PA - Marginal
Fayette Co
8-Hr Ozone   Pittsburgh-Beaver Valley, PA - Former Subpart 1
1-Hr Ozone [m]   Pittsburgh-Beaver Valley, PA - Moderate
Franklin Co
8-Hr Ozone [m]   Franklin Co, PA - Former Subpart 1
1-Hr Ozone [n]   Franklin Co, PA - Incomplete Data
Greene Co
8-Hr Ozone [m]   Greene Co, PA - Former Subpart 1
1-Hr Ozone [n]   Greene Co, PA - Incomplete Data
Indiana Co
8-Hr Ozone [m]   Clearfield and Indiana Cos, PA - Former Subpart 1
Juniata Co
1-Hr Ozone [n]   Juniata Co, PA - Incomplete Data
Lackawanna Co
8-Hr Ozone [m]   Scranton-Wilkes-Barre, PA - Former Subpart 1
1-Hr Ozone [n]   Scranton-Wilkes-Barre, PA - Marginal
Lancaster Co
8-Hr Ozone [m]   Lancaster, PA - Marginal
1-Hr Ozone [n]   Lancaster, PA - Marginal
Lawrence Co
1-Hr Ozone [n]   Lawrence Co, PA - Incomplete Data
Lebanon Co
8-Hr Ozone [m]   Harrisburg-Lebanon-Carlisle, PA - Former Subpart 1
1-Hr Ozone [n]   Harrisburg-Lebanon-Carlisle, PA - Marginal
Lehigh Co
8-Hr Ozone [m]   Allentown-Bethlehem-Easton, PA - Former Subpart 1
1-Hr Ozone [n]   Allentown-Bethlehem-Easton, PA-NJ - Marginal
Luzerne Co
8-Hr Ozone [m]   Scranton-Wilkes-Barre, PA - Former Subpart 1
1-Hr Ozone [n]   Scranton-Wilkes-Barre, PA - Marginal
Mercer Co
8-Hr Ozone [m]   Youngstown-Warren-Sharon, OH-PA - Former Subpart 1
1-Hr Ozone [n]   Youngstown-Warren-Sharon, PA portion - Marginal
Monroe Co
8-Hr Ozone [m]   Scranton-Wilkes-Barre, PA - Former Subpart 1
1-Hr Ozone [n]   Scranton-Wilkes-Barre, PA - Marginal
Montgomery Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
Northampton Co
8-Hr Ozone [m]   Allentown-Bethlehem-Easton, PA - Former Subpart 1
1-Hr Ozone [n]   Allentown-Bethlehem-Easton, PA-NJ - Marginal
Northumberland Co
1-Hr Ozone [n]   Northumberland Co, PA - Incomplete Data
Perry Co
8-Hr Ozone [m]   Harrisburg-Lebanon-Carlisle, PA - Former Subpart 1
1-Hr Ozone [n]   Harrisburg-Lebanon-Carlisle, PA - Marginal
Philadelphia Co
8-Hr Ozone   Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - Moderate
1-Hr Ozone [n]   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - Severe-15
Pike Co
1-Hr Ozone [n]   Pike Co, PA - Incomplete Data
Schuylkill Co
1-Hr Ozone [n]   Schuylkill Co, PA - Incomplete Data
Snyder Co
1-Hr Ozone [n]   Snyder Co, PA - Incomplete Data
Somerset Co
1-Hr Ozone [n]   Johnstown, PA - Marginal
Susquehanna Co
1-Hr Ozone [n]   Susquehanna Co, PA - Incomplete Data
Tioga Co
8-Hr Ozone [m]   Tioga Co, PA - Former Subpart 1
Warren Co
1-Hr Ozone [n]   Warren Co, PA - Incomplete Data
Washington Co
8-Hr Ozone   Pittsburgh-Beaver Valley, PA - Former Subpart 1
1-Hr Ozone [m]   Pittsburgh-Beaver Valley, PA - Moderate
Wayne Co
1-Hr Ozone [n]   Wayne Co, PA - Incomplete Data
Westmoreland Co
8-Hr Ozone   Pittsburgh-Beaver Valley, PA - Former Subpart 1
1-Hr Ozone [m]   Pittsburgh-Beaver Valley, PA - Moderate
Wyoming Co
8-Hr Ozone [m]   Scranton-Wilkes-Barre, PA - Former Subpart 1
1-Hr Ozone [n]   Scranton-Wilkes-Barre, PA - Marginal
York Co
8-Hr Ozone [m]   York, PA - Former Subpart 1
1-Hr Ozone [n]   York, PA - Marginal
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
RHODE ISLAND
Bristol Co
8-Hr Ozone   Providence (All RI), RI - Moderate
1-Hr Ozone [n]   Providence (All RI), RI - Serious
Kent Co
8-Hr Ozone   Providence (All RI), RI - Moderate
1-Hr Ozone [n]   Providence (All RI), RI - Serious
Newport Co
8-Hr Ozone   Providence (All RI), RI - Moderate
1-Hr Ozone [n]   Providence (All RI), RI - Serious
Providence Co
8-Hr Ozone   Providence (All RI), RI - Moderate
1-Hr Ozone [n]   Providence (All RI), RI - Serious
Washington Co
8-Hr Ozone   Providence (All RI), RI - Moderate
1-Hr Ozone [n]   Providence (All RI), RI - Serious
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
SOUTH CAROLINA
Cherokee Co
1-Hr Ozone [m]   Cherokee Co, SC - Marginal
York Co
8-Hr Ozone * Charlotte-Gastonia-Rock Hill, NC-SC - Moderate
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
TENNESSEE
Anderson Co
8-Hr Ozone   Knoxville, TN - Former Subpart 1
Blount Co
8-Hr Ozone   Knoxville, TN - Former Subpart 1
Cocke Co
8-Hr Ozone * Knoxville, TN - Former Subpart 1
Davidson Co
1-Hr Ozone [m]   Nashville, TN - Moderate
Jefferson Co
8-Hr Ozone   Knoxville, TN - Former Subpart 1
Knox Co
8-Hr Ozone   Knoxville, TN - Former Subpart 1
1-Hr Ozone [m]   Knoxville, TN - Marginal
Loudon Co
8-Hr Ozone   Knoxville, TN - Former Subpart 1
Montgomery Co
8-Hr Ozone [m]   Clarksville-Hopkinsville, TN-KY - Former Subpart 1
Rutherford Co
1-Hr Ozone [m]   Nashville, TN - Moderate
Sevier Co
8-Hr Ozone   Knoxville, TN - Former Subpart 1
Shelby Co
8-Hr Ozone   Memphis, TN-AR - Moderate
1-Hr Ozone [m]   Memphis, TN - Marginal*
Sumner Co
1-Hr Ozone [m]   Nashville, TN - Moderate
Williamson Co
1-Hr Ozone [m]   Nashville, TN - Moderate
Wilson Co
1-Hr Ozone [m]   Nashville, TN - Moderate
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
TEXAS
Brazoria Co
8-Hr Ozone   Houston-Galveston-Brazoria, TX - Severe-15
1-Hr Ozone [n]   Houston-Galveston-Brazoria, TX - Severe-17
Chambers Co
8-Hr Ozone   Houston-Galveston-Brazoria, TX - Severe-15
1-Hr Ozone [n]   Houston-Galveston-Brazoria, TX - Severe-17
Collin Co
8-Hr Ozone   Dallas-Fort Worth, TX - Moderate
1-Hr Ozone [n]   Dallas-Fort Worth, TX - Serious
Dallas Co
8-Hr Ozone   Dallas-Fort Worth, TX - Moderate
1-Hr Ozone [n]   Dallas-Fort Worth, TX - Serious
Denton Co
8-Hr Ozone   Dallas-Fort Worth, TX - Moderate
1-Hr Ozone [n]   Dallas-Fort Worth, TX - Serious
El Paso Co
1-Hr Ozone [n]   El Paso, TX - Serious
Ellis Co
8-Hr Ozone   Dallas-Fort Worth, TX - Moderate
Fort Bend Co
8-Hr Ozone   Houston-Galveston-Brazoria, TX - Severe-15
1-Hr Ozone [n]   Houston-Galveston-Brazoria, TX - Severe-17
Galveston Co
8-Hr Ozone   Houston-Galveston-Brazoria, TX - Severe-15
1-Hr Ozone [n]   Houston-Galveston-Brazoria, TX - Severe-17
Hardin Co
8-Hr Ozone   Beaumont-Port Arthur, TX - Moderate
1-Hr Ozone [n]   Beaumont-Port Arthur, TX - Serious
Harris Co
8-Hr Ozone   Houston-Galveston-Brazoria, TX - Severe-15
1-Hr Ozone [n]   Houston-Galveston-Brazoria, TX - Severe-17
Jefferson Co
8-Hr Ozone   Beaumont-Port Arthur, TX - Moderate
1-Hr Ozone [n]   Beaumont-Port Arthur, TX - Serious
Johnson Co
8-Hr Ozone   Dallas-Fort Worth, TX - Moderate
Kaufman Co
8-Hr Ozone   Dallas-Fort Worth, TX - Moderate
Liberty Co
8-Hr Ozone   Houston-Galveston-Brazoria, TX - Severe-15
1-Hr Ozone [n]   Houston-Galveston-Brazoria, TX - Severe-17
Montgomery Co
8-Hr Ozone   Houston-Galveston-Brazoria, TX - Severe-15
1-Hr Ozone [n]   Houston-Galveston-Brazoria, TX - Severe-17
Orange Co
8-Hr Ozone   Beaumont-Port Arthur, TX - Moderate
1-Hr Ozone [n]   Beaumont-Port Arthur, TX - Serious
Parker Co
8-Hr Ozone   Dallas-Fort Worth, TX - Moderate
Rockwall Co
8-Hr Ozone   Dallas-Fort Worth, TX - Moderate
Tarrant Co
8-Hr Ozone   Dallas-Fort Worth, TX - Moderate
1-Hr Ozone [n]   Dallas-Fort Worth, TX - Serious
Victoria Co
1-Hr Ozone [m]   Victoria, TX - Incomplete Data
Waller Co
8-Hr Ozone   Houston-Galveston-Brazoria, TX - Severe-15
1-Hr Ozone [n]   Houston-Galveston-Brazoria, TX - Severe-17
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
UTAH
Davis Co
1-Hr Ozone [m]   Salt Lake City, UT - Moderate
Salt Lake Co
1-Hr Ozone [m]   Salt Lake City, UT - Moderate
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
VIRGINIA
Alexandria
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Arlington Co
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Charles City Co
8-Hr Ozone [m]   Richmond-Petersburg, VA - Marginal
1-Hr Ozone [m] * Richmond, VA - Moderate
Chesapeake
8-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (HR),VA - Marginal
1-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (Hampton Roads),VA - Marginal
Chesterfield Co
8-Hr Ozone [m]   Richmond-Petersburg, VA - Marginal
1-Hr Ozone [m]   Richmond, VA - Moderate
Colonial Heights
8-Hr Ozone [m]   Richmond-Petersburg, VA - Marginal
1-Hr Ozone [m]   Richmond, VA - Moderate
Fairfax
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Fairfax Co
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Falls Church
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Fredericksburg
8-Hr Ozone [m]   Fredericksburg, VA - Moderate
Gloucester Co
8-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (HR),VA - Marginal
Hampton
8-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (HR),VA - Marginal
1-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (Hampton Roads),VA - Marginal
Hanover Co
8-Hr Ozone [m]   Richmond-Petersburg, VA - Marginal
1-Hr Ozone [m]   Richmond, VA - Moderate
Henrico Co
8-Hr Ozone [m]   Richmond-Petersburg, VA - Marginal
1-Hr Ozone [m]   Richmond, VA - Moderate
Hopewell
8-Hr Ozone [m]   Richmond-Petersburg, VA - Marginal
1-Hr Ozone [m]   Richmond, VA - Moderate
Isle Of Wight Co
8-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (HR),VA - Marginal
James City Co
8-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (HR),VA - Marginal
1-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (Hampton Roads),VA - Marginal
Loudoun Co
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Madison Co
8-Hr Ozone [m] * Madison and Page Cos (Shenandoah NP), VA - Former Subpart 1
Manassas
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Manassas Park
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Newport News
8-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (HR),VA - Marginal
1-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (Hampton Roads),VA - Marginal
Norfolk
8-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (HR),VA - Marginal
1-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (Hampton Roads),VA - Marginal
Page Co
8-Hr Ozone [m] * Madison and Page Cos (Shenandoah NP), VA - Former Subpart 1
Petersburg
8-Hr Ozone [m]   Richmond-Petersburg, VA - Marginal
Poquoson
8-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (HR),VA - Marginal
1-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (Hampton Roads),VA - Marginal
Portsmouth
8-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (HR),VA - Marginal
1-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (Hampton Roads),VA - Marginal
Prince George Co
8-Hr Ozone [m]   Richmond-Petersburg, VA - Marginal
Prince William Co
8-Hr Ozone   Washington, DC-MD-VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Richmond
8-Hr Ozone [m]   Richmond-Petersburg, VA - Marginal
1-Hr Ozone [m]   Richmond, VA - Moderate
Smyth Co
1-Hr Ozone [n] * Smyth Co, VA (White Top Mtn) - Marginal RT
Spotsylvania Co
8-Hr Ozone [m]   Fredericksburg, VA - Moderate
Stafford Co
8-Hr Ozone [m]   Fredericksburg, VA - Moderate
1-Hr Ozone [n]   Washington, DC-MD-VA - Severe-15
Suffolk
8-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (HR),VA - Marginal
1-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (Hampton Roads),VA - Marginal
Virginia Beach
8-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (HR),VA - Marginal
1-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (Hampton Roads),VA - Marginal
Williamsburg
8-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (HR),VA - Marginal
1-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (Hampton Roads),VA - Marginal
York Co
8-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (HR),VA - Marginal
1-Hr Ozone [m]   Norfolk-Virginia Beach-Newport News (Hampton Roads),VA - Marginal
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
WASHINGTON
Clark Co
1-Hr Ozone [m] * Portland-Vancouver AQMA, OR-WA - Marginal
King Co
1-Hr Ozone [m] * Seattle-Tacoma, WA - Marginal
Pierce Co
1-Hr Ozone [m]   Seattle-Tacoma, WA - Marginal
Snohomish Co
1-Hr Ozone [m] * Seattle-Tacoma, WA - Marginal
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
WEST VIRGINIA
Brooke Co
8-Hr Ozone [m]   Steubenville-Weirton, OH-WV - Former Subpart 1
Cabell Co
8-Hr Ozone [m]   Huntington-Ashland, WV-KY - Former Subpart 1
1-Hr Ozone [m]   Huntington-Ashland, WV-KY - Moderate*
Greenbrier Co
1-Hr Ozone [m]   Greenbrier Co, WV - Marginal
Hancock Co
8-Hr Ozone [m]   Steubenville-Weirton, OH-WV - Former Subpart 1
Kanawha Co
8-Hr Ozone [m]   Charleston, WV - Former Subpart 1
1-Hr Ozone [m]   Charleston, WV - Moderate
Marshall Co
8-Hr Ozone [m]   Wheeling, WV-OH - Former Subpart 1
Ohio Co
8-Hr Ozone [m]   Wheeling, WV-OH - Former Subpart 1
Putnam Co
8-Hr Ozone [m]   Charleston, WV - Former Subpart 1
1-Hr Ozone [m]   Charleston, WV - Moderate
Wayne Co
8-Hr Ozone [m]   Huntington-Ashland, WV-KY - Former Subpart 1
1-Hr Ozone [m]   Huntington-Ashland, WV-KY - Moderate*
Wood Co
8-Hr Ozone [m]   Parkersburg-Marietta, WV-OH - Former Subpart 1
1-Hr Ozone [m]   Parkersburg, WV - Moderate
State, County, Pollutant, * Part County in Area, Area Name, Category/Classification
WISCONSIN
Door Co
8-Hr Ozone   Door Co, WI - Former Subpart 1
1-Hr Ozone [m]   Door Co, WI - Marginal RT
Kenosha Co
8-Hr Ozone   Milwaukee-Racine, WI - Moderate
1-Hr Ozone [n]   Milwaukee-Racine, WI - Severe-17
Kewaunee Co
8-Hr Ozone [m]   Kewaunee Co, WI - Former Subpart 1
1-Hr Ozone [m]   Kewaunee Co, WI - Moderate
Manitowoc Co
8-Hr Ozone   Manitowoc Co, WI - Former Subpart 1
1-Hr Ozone [m]   Manitowoc Co, WI - Moderate*
Milwaukee Co
8-Hr Ozone   Milwaukee-Racine, WI - Moderate
1-Hr Ozone [n]   Milwaukee-Racine, WI - Severe-17
Ozaukee Co
8-Hr Ozone   Milwaukee-Racine, WI - Moderate
1-Hr Ozone [n]   Milwaukee-Racine, WI - Severe-17
Racine Co
8-Hr Ozone   Milwaukee-Racine, WI - Moderate
1-Hr Ozone [n]   Milwaukee-Racine, WI - Severe-17
Sheboygan Co
8-Hr Ozone   Sheboygan, WI - Moderate
1-Hr Ozone [m]   Sheboygan, WI - Moderate
Walworth Co
1-Hr Ozone [m]   Walworth Co, WI - Marginal
Washington Co
8-Hr Ozone   Milwaukee-Racine, WI - Moderate
1-Hr Ozone [n]   Milwaukee-Racine, WI - Severe-17
Waukesha Co
8-Hr Ozone   Milwaukee-Racine, WI - Moderate
1-Hr Ozone [n]   Milwaukee-Racine, WI - Severe-17


Notes:
n = area has whole or part county or counties in a previous 1-hr Ozone nonattainment area (as of June 15, 2005) no longer subject to the 1-hour standard
m = area has whole or part county or counties in a previous 1-hr Ozone maintenance area (as of June 15, 2005) no longer subject to the 1-hour standard
* = area has whole or part county or counties in a CO, PM-10, or PM-2.5 nonattainment or maintenance area or previous 1-hr Ozone nonattainment or maintenance area (as of June 15, 2005)
The 1-hour ozone standard, as well as designations and classifications for all 1-hour ozone nonattainment and maintenance areas,have been revoked except for the Greensboro, NC, Nashville, TN, and Denver, CO maintenance areas. See details here.

There are a few counties that are split between 8-hour ozone areas:

  • Kern Co, CA is split between the San Joaquin (Serious) and Kern Co (Eastern Kern), CA (Subpart 1) 8-hour ozone areas. The northeastern portion of the county is attainment. (Severe-15) and Kern Co (Eastern Kern) (Serious).
  • Los Angeles Co, CA is split between Los Angeles South Coast (Severe 17) and Los Angeles-San Bernardino Cos (W Mojave), CA (Antelope Valley) (Moderate) 8-hour ozone areas. The previous 1-hour ozone areas were Los Angeles South Coast (Extreme) and SE Desert (Severe-17).
  • Riverside Co, CA is split between the Los Angeles South Coast (Severe 17) and Riverside Co, (Coachella Valley), CA (Serious) 8-hour ozone areas. ozone areas were Los Angeles South Coast (Extreme) and SE Desert (Severe-17). The previous 1-hour ozone SE Desert (Severe-17) was split into Los Angeles-San Bernardino Cos (W Mojave), CA (Antelope Valley) (Moderate) and Riverside Co, (Coachella Valley), CA (Serious) 8-hour ozone areas.
  • San Bernardino Co, CA is split between Los Angeles South Coast (Severe 17) and Los Angeles-San Bernardino Cos (W Mojave), CA (Antelope Valley) (Moderate) 8-hour ozone areas. The previous 1-hour ozone areas were Los Angeles South Coast (Extreme) and SE Desert (Severe-17).
  • Solano Co, CA is split between San Francisco (Marginal) and Sacramento (Serious) 8-hour ozone areas. This is the same as the previous 1-hour area. The previous 1-hour ozone areas were San Francisco (Other) and Sacramento (Severe-15).
  • Sutter Co, CA is split between the Sutter Co (Sutter Buttes) (Subpart 1) and Sacramento (Serious) 8-hour ozone areas. The previous 1-hour ozone areas were Yuba City (Section 185A) and Sacramento (Severe-15).

There are a few counties that are split between one or more previous 1-hour ozone nonattainment areas that are in one 8-hr area:
  • Fairfield and Litchfield Cos, CT are in both the New York (Severe-17) and the Greater CT (Serious) previous 1-hour nonattainment area, but are in the New York 8-hour area.
  • Hillsborough Co, NH is in both the Boston-Lawrence-Worcester (E. MA), MA-NH (Serious) and the Manchester, NH (Marginal) previous 1-hour nonattainment area, but is in the Boston-Manchester-Portsmouth (SE) 8-hour area.
  • Rockingham Co, NH is in Boston-Lawrence-Worcester (E. MA), MA-NH (Serious), Manchester, NH (Marginal) and Portsmouth-Dover-Rochester, NH (Serious) previous 1-hour nonattainment areas, but is in the Boston-Manchester-Portsmouth (SE), NH 8-hour area.
  • Orange Co, NY is in both the New York-N. New Jersey-Long Island, NY-NJ-CT (Severe-17) and the Poughkeepsie, NY (Moderate) previous 1-hour nonattainment areas, but is in the Poughkeepsie, NY 8-hour area.


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