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8-Hour Ozone (1997) Area/State/County Report with Classifications
for Carbon Monoxide (CO), Particulate Matter-10 microns (PM-10),
1997 and 2006 Particulate Matter-2.5 microns (PM-2.5), and Previous 1-hour Ozone

As of December 05, 2013
View Notes
Classification
1997 8-Hr Ozone Area/State/County
(P = Part County)
1-Hr
Ozone
Nonatt.
1-Hr
Ozone
Maint.
CO
Nonatt.
CO
Maint.
PM-10
Nonatt.
PM-10
Maint.
2006
PM-2.5
Nonatt.
1997
PM-2.5
Nonatt.

Albany-Schenectady-Troy, NY----Nonattainment 8-Hour Ozone Category/Classification: Marginal
NEW YORK(Region II)
   Albany Co Marginal              
   Greene Co Marginal              
   Montgomery Co Marginal              
   Rensselaer Co Marginal              
   Saratoga Co Marginal              
   Schenectady Co Marginal              
   Schoharie Co                

Allegan Co, MI----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
MICHIGAN(Region V)
   Allegan Co   Incomplete Data            

Allentown-Bethlehem-Easton, PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
PENNSYLVANIA(Region III)
   Carbon Co Marginal              
   Lehigh Co Marginal           Nonatt.  
   Northampton Co Marginal           Nonatt.  

Altoona, PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
   Blair Co Marginal              

Amador and Calaveras Cos. (Central Mountain Cos.), CA----Nonattainment 8-Hour Ozone Category/Classification: Moderate
CALIFORNIA(Region IX)
   Amador Co                
   Calaveras Co                

Atlanta, GA----Nonattainment 8-Hour Ozone Category/Classification: Moderate
GEORGIA(Region IV)
   Barrow Co               Nonatt.
   Bartow Co               Nonatt.
   Carroll Co               Nonatt.
   Cherokee Co   Severe 15           Nonatt.
   Clayton Co   Severe 15           Nonatt.
   Cobb Co   Severe 15           Nonatt.
   Coweta Co   Severe 15           Nonatt.
   De Kalb Co   Severe 15           Nonatt.
   Douglas Co   Severe 15           Nonatt.
   Fayette Co   Severe 15           Nonatt.
   Forsyth Co   Severe 15           Nonatt.
   Fulton Co   Severe 15           Nonatt.
   Gwinnett Co   Severe 15           Nonatt.
   Hall Co               Nonatt.
   Henry Co   Severe 15           Nonatt.
   Newton Co               Nonatt.
   Paulding Co   Severe 15           Nonatt.
   Rockdale Co   Severe 15           Nonatt.
   Spalding Co               Nonatt.
   Walton Co               Nonatt.

Baltimore, MD----Nonattainment 8-Hour Ozone Category/Classification: Serious
MARYLAND(Region III)
   Anne Arundel Co Severe 15             Nonatt.
   Baltimore (City) Severe 15     Moderate <= 12.7ppm       Nonatt.
   Baltimore Co Severe 15             Nonatt.
   Carroll Co Severe 15             Nonatt.
   Harford Co Severe 15             Nonatt.
   Howard Co Severe 15             Nonatt.

Baton Rouge, LA----Maintenance 8-Hour Ozone Category/Classification: Moderate
LOUISIANA(Region VI)
   Ascension Par Severe 15              
   East Baton Rouge Par Severe 15              
   Iberville Par Severe 15              
   Livingston Par Severe 15              
   West Baton Rouge Par Severe 15              

Beaumont-Port Arthur, TX----Maintenance 8-Hour Ozone Category/Classification: Moderate
TEXAS(Region VI)
   Hardin Co Serious              
   Jefferson Co Serious              
   Orange Co Serious              

Benton Harbor, MI----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
MICHIGAN(Region V)
   Berrien Co                

Benzie Co, MI----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
   Benzie Co                

Birmingham, AL----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
ALABAMA(Region IV)
   Jefferson Co   Marginal            
   Shelby Co   Marginal            

Boston-Lawrence-Worcester (E. Mass), MA----Nonattainment 8-Hour Ozone Category/Classification: Moderate
MASSACHUSETTS(Region I)
   Barnstable Co Serious              
   Bristol Co Serious              
   Dukes Co Serious              
   Essex Co Serious              
   Middlesex Co Serious     Moderate <= 12.7ppm        
   Nantucket Co Serious              
   Norfolk Co Serious     Moderate <= 12.7ppm        
   Plymouth Co Serious              
   Suffolk Co Serious     Moderate <= 12.7ppm        
   Worcester Co Serious     Not Classified        

Boston-Manchester-Portsmouth (SE), NH----Maintenance 8-Hour Ozone Category/Classification: Moderate
NEW HAMPSHIRE(Region I)
   Hillsborough Co (P) Serious     Not Classified        
   Merrimack Co (P) Marginal              
   Rockingham Co (P) Serious              
   Strafford Co (P) Serious              

Buffalo-Niagara Falls, NY----Nonattainment 8-Hour Ozone Category/Classification: Moderate
NEW YORK(Region II)
   Erie Co Marginal              
   Niagara Co Marginal              

Canton-Massillon, OH----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
OHIO(Region V)
   Stark Co   Marginal            

Cass Co, MI----Maintenance 8-Hour Ozone Category/Classification: Marginal
MICHIGAN(Region V)
   Cass Co                

Charleston, WV----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
WEST VIRGINIA(Region III)
   Kanawha Co   Moderate         Nonatt. Nonatt.
   Putnam Co   Moderate         Nonatt. Nonatt.

Charlotte-Gastonia-Rock Hill, NC-SC (NC portion)----Nonattainment 8-Hour Ozone Category/Classification: Moderate
NORTH CAROLINA(Region IV)
   Cabarrus Co                
   Gaston Co   Moderate            
   Iredell Co (P)                
   Lincoln Co                
   Mecklenburg Co   Moderate   Not Classified        
   Rowan Co                
   Union Co                

Charlotte-Gastonia-Rock Hill, NC-SC (SC portion)----Redesignated but Split Area** 8-Hour Ozone Category/Classification: Moderate
SOUTH CAROLINA(Region IV)
   York Co (P)                

Chicago-Gary-Lake County, IL-IN----Maintenance 8-Hour Ozone Category/Classification: Moderate
ILLINOIS(Region V)
   Cook Co Severe 17         Moderate    
   Du Page Co Severe 17              
   Grundy Co (P) Severe 17              
   Kane Co Severe 17              
   Kendall Co (P) Severe 17              
   Lake Co Severe 17              
   Mc Henry Co Severe 17              
   Will Co Severe 17              
INDIANA(Region V)
   Lake Co Severe 17     Not Classified   Moderate    
   Porter Co Severe 17              

Chico, CA----Nonattainment 8-Hour Ozone Category/Classification: Marginal
CALIFORNIA(Region IX)
   Butte Co Section 185A     Moderate <= 12.7ppm     Nonatt.  

Cincinnati-Hamilton, OH-KY-IN----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
INDIANA(Region V)
   Dearborn Co (P)                
KENTUCKY(Region IV)
   Boone Co   Moderate            
   Campbell Co   Moderate            
   Kenton Co   Moderate            
OHIO(Region V)
   Butler Co   Moderate            
   Clermont Co   Moderate            
   Clinton Co   Section 185A            
   Hamilton Co   Moderate            
   Warren Co   Moderate            

Clarksville-Hopkinsville, TN-KY----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
KENTUCKY(Region IV)
   Christian Co                
TENNESSEE(Region IV)
   Montgomery Co                

Clearfield and Indiana Cos, PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
PENNSYLVANIA(Region III)
   Clearfield Co                
   Indiana Co             Nonatt. Nonatt.

Cleveland-Akron-Lorain, OH----Maintenance 8-Hour Ozone Category/Classification: Moderate
OHIO(Region V)
   Ashtabula Co   Moderate            
   Cuyahoga Co   Moderate   Moderate <= 12.7ppm   Moderate    
   Geauga Co   Moderate            
   Lake Co   Moderate            
   Lorain Co   Moderate            
   Medina Co   Moderate            
   Portage Co   Moderate            
   Summit Co   Moderate            

Columbus, OH----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
   Delaware Co   Marginal            
   Fairfield Co                
   Franklin Co   Marginal            
   Knox Co                
   Licking Co   Marginal            
   Madison Co                

Dallas-Fort Worth, TX----Nonattainment 8-Hour Ozone Category/Classification: Serious
TEXAS(Region VI)
   Collin Co Serious              
   Dallas Co Serious              
   Denton Co Serious              
   Ellis Co                
   Johnson Co                
   Kaufman Co                
   Parker Co                
   Rockwall Co                
   Tarrant Co Serious              

Dayton-Springfield, OH----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
OHIO(Region V)
   Clark Co   Moderate            
   Greene Co   Moderate            
   Miami Co   Moderate            
   Montgomery Co   Moderate            

Denver-Boulder-Greeley-Ft. Collins-Loveland, CO----Nonattainment 8-Hour Ozone Category/Classification: Marginal
COLORADO(Region VIII)
   Adams Co   Section 185A   Serious   Moderate    
   Arapahoe Co   Section 185A   Serious   Moderate    
   Boulder Co   Section 185A   Serious   Moderate    
   Broomfield Co   Section 185A   Serious   Moderate    
   Denver Co   Section 185A   Serious   Moderate    
   Douglas Co   Section 185A   Serious   Moderate    
   Jefferson Co   Section 185A   Serious   Moderate    
   Larimer Co (P)       Moderate <= 12.7ppm        
   Weld Co (P)       Moderate <= 12.7ppm        

Detroit-Ann Arbor, MI----Maintenance 8-Hour Ozone Category/Classification: Marginal
MICHIGAN(Region V)
   Lenawee Co                
   Livingston Co   Moderate            
   Macomb Co   Moderate   Not Classified        
   Monroe Co   Moderate            
   Oakland Co   Moderate   Not Classified        
   St Clair Co   Moderate            
   Washtenaw Co   Moderate            
   Wayne Co   Moderate   Not Classified   Moderate    

Door Co, WI----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
WISCONSIN(Region V)
   Door Co   Rural Transport (Marginal)            

Erie, PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
PENNSYLVANIA(Region III)
   Erie Co Marginal              

Essex Co (Whiteface Mtn), NY----Nonattainment 8-Hour Ozone Category/Classification: Marginal
NEW YORK(Region II)
   Essex Co (P) Rural Transport (Marginal)              

Evansville, IN----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
INDIANA(Region V)
   Vanderburgh Co   Marginal            
   Warrick Co                

Flint, MI----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
MICHIGAN(Region V)
   Genesee Co   Section 185A            
   Lapeer Co                

Fort Wayne, IN----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
INDIANA(Region V)
   Allen Co                

Franklin Co, PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
PENNSYLVANIA(Region III)
   Franklin Co Incomplete Data              

Fredericksburg, VA----Maintenance 8-Hour Ozone Category/Classification: Moderate
VIRGINIA(Region III)
   Fredericksburg                
   Spotsylvania Co                
   Stafford Co Severe 15              

Grand Rapids, MI----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
MICHIGAN(Region V)
   Kent Co   Moderate            
   Ottawa Co   Moderate            

Greater Connecticut, CT----Nonattainment 8-Hour Ozone Category/Classification: Moderate
CONNECTICUT(Region I)
   Hartford Co Serious     Moderate <= 12.7ppm        
   Litchfield Co Severe 17     Moderate > 12.7ppm        
   New London Co Serious              
   Tolland Co Serious     Moderate <= 12.7ppm        
   Windham Co Serious              

Greene Co, IN----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
INDIANA(Region V)
   Greene Co                

Greene Co, PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
PENNSYLVANIA(Region III)
   Greene Co Incomplete Data           Nonatt. Nonatt.

Hancock, Knox, Lincoln and Waldo Cos, ME----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
MAINE(Region I)
   Hancock Co (P)   Marginal            
   Knox Co (P) Moderate              
   Lincoln Co (P) Moderate              
   Waldo Co (P)   Marginal            

Harrisburg-Lebanon-Carlisle, PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
PENNSYLVANIA(Region III)
   Cumberland Co Marginal           Nonatt. Nonatt.
   Dauphin Co Marginal           Nonatt. Nonatt.
   Lebanon Co Marginal           Nonatt. Nonatt.
   Perry Co Marginal              

Haywood and Swain Cos (Great Smoky NP), NC----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
NORTH CAROLINA(Region IV)
   Haywood Co (P)                
   Swain Co (P)                

Houston-Galveston-Brazoria, TX----Nonattainment 8-Hour Ozone Category/Classification: Severe 15
TEXAS(Region VI)
   Brazoria Co Severe 17              
   Chambers Co Severe 17              
   Fort Bend Co Severe 17              
   Galveston Co Severe 17              
   Harris Co Severe 17              
   Liberty Co Severe 17              
   Montgomery Co Severe 17              
   Waller Co Severe 17              

Huntington-Ashland, WV-KY----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
KENTUCKY(Region IV)
   Boyd Co   Moderate            
WEST VIRGINIA(Region III)
   Cabell Co   Moderate            
   Wayne Co   Moderate            

Huron Co, MI----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
MICHIGAN(Region V)
   Huron Co                

Imperial Co, CA----Nonattainment 8-Hour Ozone Category/Classification: Moderate
CALIFORNIA(Region IX)
   Imperial Co Section 185A       Serious   Nonatt.  

Indianapolis, IN----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
INDIANA(Region V)
   Boone Co                
   Hamilton Co                
   Hancock Co                
   Hendricks Co                
   Johnson Co                
   Madison Co                
   Marion Co   Marginal   Not Classified        
   Morgan Co                
   Shelby Co                

Jackson Co, IN----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
   Jackson Co                

Jamestown, NY----Nonattainment 8-Hour Ozone Category/Classification: Moderate
NEW YORK(Region II)
   Chautauqua Co                

Jefferson Co, NY----Nonattainment 8-Hour Ozone Category/Classification: Moderate
   Jefferson Co Marginal              

Johnstown, PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
PENNSYLVANIA(Region III)
   Cambria Co Marginal           Nonatt. Nonatt.

Kalamazoo-Battle Creek, MI----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
MICHIGAN(Region V)
   Calhoun Co                
   Kalamazoo Co                
   Van Buren Co                

Kent and Queen Anne's Cos, MD----Maintenance 8-Hour Ozone Category/Classification: Marginal
MARYLAND(Region III)
   Kent Co   Marginal            
   Queen Annes Co   Marginal            

Kern Co (Eastern Kern), CA----Nonattainment 8-Hour Ozone Category/Classification: Moderate
CALIFORNIA(Region IX)
   Kern Co (P)   Serious   Not Classified Serious Serious Nonatt. Nonatt.

Kewaunee Co, WI----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
WISCONSIN(Region V)
   Kewaunee Co   Moderate            

Knoxville, TN----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
TENNESSEE(Region IV)
   Anderson Co             Nonatt. Nonatt.
   Blount Co             Nonatt. Nonatt.
   Cocke Co (P)                
   Jefferson Co                
   Knox Co   Marginal         Nonatt. Nonatt.
   Loudon Co             Nonatt. Nonatt.
   Sevier Co                

La Porte Co., IN----Maintenance 8-Hour Ozone Category/Classification: Marginal
INDIANA(Region V)
   La Porte Co                

Lancaster, PA----Maintenance 8-Hour Ozone Category/Classification: Marginal
PENNSYLVANIA(Region III)
   Lancaster Co Marginal           Nonatt. Nonatt.

Lansing-East Lansing, MI----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
MICHIGAN(Region V)
   Clinton Co                
   Eaton Co                
   Ingham Co                

Las Vegas, NV----Maintenance 8-Hour Ozone Category/Classification: Marginal
NEVADA(Region IX)
   Clark Co (P)       Serious Serious      

Lima, OH----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
OHIO(Region V)
   Allen Co                

Los Angeles-San Bernardino Cos. (W Mojave Desert), CA----Nonattainment 8-Hour Ozone Category/Classification: Severe 15
CALIFORNIA(Region IX)
   Los Angeles Co (P) Severe 17     Serious   Serious Nonatt. Nonatt.
   San Bernardino Co (P) Severe 17     Serious Moderate Serious Nonatt. Nonatt.

Los Angeles-South Coast Air Basin, CA----Nonattainment 8-Hour Ozone Category/Classification: Extreme
   Los Angeles Co (P) Extreme     Serious   Serious Nonatt. Nonatt.
   Orange Co Extreme     Serious   Serious Nonatt. Nonatt.
   Riverside Co (P) Extreme     Serious Serious Serious Nonatt. Nonatt.
   San Bernardino Co (P) Extreme     Serious Moderate Serious Nonatt. Nonatt.

Louisville, KY-IN----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
INDIANA(Region V)
   Clark Co   Moderate           Nonatt.
   Floyd Co   Moderate           Nonatt.
KENTUCKY(Region IV)
   Bullitt Co   Moderate           Nonatt.
   Jefferson Co   Moderate           Nonatt.
   Oldham Co   Moderate            

Macon, GA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
GEORGIA(Region IV)
   Bibb Co               Nonatt.
   Monroe Co (P)               Nonatt.

Madison and Page Cos (Shenandoah NP), VA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
VIRGINIA(Region III)
   Madison Co (P)                
   Page Co (P)                

Manitowoc Co, WI----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
WISCONSIN(Region V)
   Manitowoc Co   Moderate            

Mariposa and Tuolumne Cos (Southern Mtn), CA----Nonattainment 8-Hour Ozone Category/Classification: Moderate
CALIFORNIA(Region IX)
   Mariposa Co                
   Tuolumne Co                

Mason Co, MI----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
MICHIGAN(Region V)
   Mason Co                

Memphis, TN-AR----Maintenance 8-Hour Ozone Category/Classification: Moderate
ARKANSAS(Region VI)
   Crittenden Co                
TENNESSEE(Region IV)
   Shelby Co   Marginal   Moderate <= 12.7ppm        

Milwaukee-Racine, WI----Maintenance 8-Hour Ozone Category/Classification: Moderate
WISCONSIN(Region V)
   Kenosha Co Severe 17              
   Milwaukee Co Severe 17           Nonatt.  
   Ozaukee Co Severe 17              
   Racine Co Severe 17           Nonatt.  
   Washington Co Severe 17              
   Waukesha Co Severe 17           Nonatt.  

Morongo Band of Mission Indians----Nonattainment 8-Hour Ozone Category/Classification: Severe 17
CALIFORNIA(Region IX)
   Morongo Band of Mission Indians Severe 17              

Muncie, IN----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
INDIANA(Region V)
   Delaware Co                

Murray Co (Chattahoochee Nat Forest), GA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
GEORGIA(Region IV)
   Murray Co (P)                

Muskegon, MI----Maintenance 8-Hour Ozone Category/Classification: Marginal
MICHIGAN(Region V)
   Muskegon Co   Moderate            

Nevada Co. (Western part), CA----Nonattainment 8-Hour Ozone Category/Classification: Moderate
CALIFORNIA(Region IX)
   Nevada Co (P)                

New York-N. New Jersey-Long Island, NY-NJ-CT----Nonattainment 8-Hour Ozone Category/Classification: Moderate
CONNECTICUT(Region I)
   Fairfield Co Severe 17     Moderate > 12.7ppm        
   Middlesex Co Serious     Moderate <= 12.7ppm        
   New Haven Co Serious     Not Classified   Moderate    
NEW JERSEY(Region II)
   Bergen Co Severe 17     Moderate > 12.7ppm        
   Essex Co Severe 17     Moderate > 12.7ppm        
   Hudson Co Severe 17     Moderate > 12.7ppm        
   Hunterdon Co Severe 17              
   Middlesex Co Severe 17     Not Classified        
   Monmouth Co Severe 17     Not Classified        
   Morris Co Severe 17     Not Classified        
   Passaic Co Severe 17     Moderate > 12.7ppm        
   Somerset Co Severe 17     Not Classified        
   Sussex Co Severe 17              
   Union Co Severe 17     Moderate > 12.7ppm        
   Warren Co Marginal              
NEW YORK(Region II)
   Bronx Co Severe 17     Moderate > 12.7ppm     Nonatt. Nonatt.
   Kings Co Severe 17     Moderate > 12.7ppm     Nonatt. Nonatt.
   Nassau Co Severe 17     Moderate > 12.7ppm     Nonatt. Nonatt.
   New York Co Severe 17     Moderate > 12.7ppm Moderate   Nonatt. Nonatt.
   Queens Co Severe 17     Moderate > 12.7ppm     Nonatt. Nonatt.
   Richmond Co Severe 17     Moderate > 12.7ppm     Nonatt. Nonatt.
   Rockland Co Severe 17           Nonatt. Nonatt.
   Suffolk Co Severe 17           Nonatt. Nonatt.
   Westchester Co Severe 17     Moderate > 12.7ppm     Nonatt. Nonatt.

Norfolk-Virginia Beach-Newport News (Hampton Roads), VA----Maintenance 8-Hour Ozone Category/Classification: Marginal
VIRGINIA(Region III)
   Chesapeake   Marginal            
   Gloucester Co                
   Hampton   Marginal            
   Isle Of Wight Co                
   James City Co   Marginal            
   Newport News   Marginal            
   Norfolk   Marginal            
   Poquoson   Marginal            
   Portsmouth   Marginal            
   Suffolk   Marginal            
   Virginia Beach   Marginal            
   Williamsburg   Marginal            
   York Co   Marginal            

Parkersburg-Marietta, WV-OH----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
OHIO(Region V)
   Washington Co                
WEST VIRGINIA(Region III)
   Wood Co   Moderate            

Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE----Nonattainment 8-Hour Ozone Category/Classification: Moderate
DELAWARE(Region III)
   Kent Co Severe 15              
   New Castle Co Severe 15           Nonatt. Nonatt.
   Sussex Co Marginal              
MARYLAND(Region III)
   Cecil Co Severe 15              
NEW JERSEY(Region II)
   Atlantic Co Moderate     Not Classified        
   Burlington Co Severe 15     Not Classified        
   Camden Co Severe 15     Moderate <= 12.7ppm        
   Cape May Co Moderate              
   Cumberland Co Severe 15              
   Gloucester Co Severe 15              
   Mercer Co Severe 15     Not Classified        
   Ocean Co Severe 17     Not Classified        
   Salem Co Severe 15     Not Classified        
PENNSYLVANIA(Region III)
   Bucks Co Severe 15           Nonatt. Nonatt.
   Chester Co Severe 15           Nonatt. Nonatt.
   Delaware Co Severe 15           Nonatt. Nonatt.
   Montgomery Co Severe 15           Nonatt. Nonatt.
   Philadelphia Co Severe 15     Moderate <= 12.7ppm     Nonatt. Nonatt.

Phoenix-Mesa, AZ----Nonattainment 8-Hour Ozone Category/Classification: Marginal
ARIZONA(Region IX)
   Maricopa Co (P)   Serious   Serious Serious      
   Pinal Co (P)         Serious   Nonatt.  

Pittsburgh-Beaver Valley, PA----Nonattainment 8-Hour Ozone Category/Classification: Moderate
PENNSYLVANIA(Region III)
   Allegheny Co   Moderate   Not Classified   Moderate Nonatt. Nonatt.
   Armstrong Co   Moderate         Nonatt. Nonatt.
   Beaver Co   Moderate         Nonatt. Nonatt.
   Butler Co   Moderate         Nonatt. Nonatt.
   Fayette Co   Moderate            
   Washington Co   Moderate         Nonatt. Nonatt.
   Westmoreland Co   Moderate         Nonatt. Nonatt.

Portland, ME----Maintenance 8-Hour Ozone Category/Classification: Marginal
MAINE(Region I)
   Androscoggin Co (P) Moderate              
   Cumberland Co (P) Moderate              
   Sagadahoc Co Moderate              
   York Co (P) Moderate              

Poughkeepsie, NY----Nonattainment 8-Hour Ozone Category/Classification: Moderate
NEW YORK(Region II)
   Dutchess Co Moderate              
   Orange Co Severe 17           Nonatt. Nonatt.
   Putnam Co Moderate              

Providence (all of RI), RI----Nonattainment 8-Hour Ozone Category/Classification: Moderate
RHODE ISLAND(Region I)
   Bristol Co Serious              
   Kent Co Serious              
   Newport Co Serious              
   Providence Co Serious              
   Washington Co Serious              

Raleigh-Durham-Chapel Hill, NC----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
NORTH CAROLINA(Region IV)
   Chatham Co (P)                
   Durham Co   Moderate   Moderate <= 12.7ppm        
   Franklin Co                
   Granville Co   Moderate            
   Johnston Co                
   Orange Co                
   Person Co                
   Wake Co   Moderate   Moderate <= 12.7ppm        

Reading, PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
PENNSYLVANIA(Region III)
   Berks Co   Moderate           Nonatt.

Richmond-Petersburg, VA----Maintenance 8-Hour Ozone Category/Classification: Marginal
VIRGINIA(Region III)
   Charles City Co   Moderate            
   Chesterfield Co   Moderate            
   Colonial Heights   Moderate            
   Hanover Co   Moderate            
   Henrico Co   Moderate            
   Hopewell   Moderate            
   Petersburg                
   Prince George Co                
   Richmond   Moderate            

Riverside Co. (Coachella Valley), CA----Nonattainment 8-Hour Ozone Category/Classification: Severe 15
CALIFORNIA(Region IX)
   Riverside Co (P) Severe 17     Serious Serious Serious Nonatt. Nonatt.

Rochester, NY----Nonattainment 8-Hour Ozone Category/Classification: Marginal
NEW YORK(Region II)
   Genesee Co                
   Livingston Co                
   Monroe Co                
   Ontario Co                
   Orleans Co                
   Wayne Co                

Rocky Mount, NC----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
NORTH CAROLINA(Region IV)
   Edgecombe Co                
   Nash Co                

Sacramento Metro, CA----Nonattainment 8-Hour Ozone Category/Classification: Severe 15
CALIFORNIA(Region IX)
   El Dorado Co (P) Severe 15     Moderate <= 12.7ppm     Nonatt.  
   Placer Co (P) Severe 15     Moderate <= 12.7ppm     Nonatt.  
   Sacramento Co Severe 15     Moderate <= 12.7ppm   Moderate Nonatt.  
   Solano Co (P) Severe 15     Moderate <= 12.7ppm     Nonatt.  
   Sutter Co (P) Severe 15           Nonatt.  
   Yolo Co Severe 15     Moderate <= 12.7ppm     Nonatt.  

San Diego, CA----Maintenance 8-Hour Ozone Category/Classification: Moderate
   San Diego Co (P)   Serious   Moderate <= 12.7ppm        

San Francisco Bay Area, CA----Nonattainment 8-Hour Ozone Category/Classification: Marginal
   Alameda Co Other     Moderate <= 12.7ppm     Nonatt.  
   Contra Costa Co Other     Moderate <= 12.7ppm     Nonatt.  
   Marin Co Other     Moderate <= 12.7ppm     Nonatt.  
   Napa Co Other     Moderate <= 12.7ppm     Nonatt.  
   San Francisco Co Other     Moderate <= 12.7ppm     Nonatt.  
   San Mateo Co Other     Moderate <= 12.7ppm     Nonatt.  
   Santa Clara Co Other     Moderate <= 12.7ppm     Nonatt.  
   Solano Co (P) Other     Moderate <= 12.7ppm     Nonatt.  
   Sonoma Co (P) Other     Moderate <= 12.7ppm     Nonatt.  

San Joaquin Valley, CA----Nonattainment 8-Hour Ozone Category/Classification: Extreme
   Fresno Co Extreme     Moderate > 12.7ppm   Serious Nonatt. Nonatt.
   Kern Co (P) Extreme     Not Classified Serious Serious Nonatt. Nonatt.
   Kings Co Extreme         Serious Nonatt. Nonatt.
   Madera Co Extreme         Serious Nonatt. Nonatt.
   Merced Co Extreme         Serious Nonatt. Nonatt.
   San Joaquin Co Extreme     Moderate <= 12.7ppm   Serious Nonatt. Nonatt.
   Stanislaus Co Extreme     Moderate <= 12.7ppm   Serious Nonatt. Nonatt.
   Tulare Co Extreme         Serious Nonatt. Nonatt.

Scranton-Wilkes-Barre, PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
PENNSYLVANIA(Region III)
   Lackawanna Co Marginal              
   Luzerne Co Marginal              
   Monroe Co Marginal              
   Wyoming Co Marginal              

Sheboygan, WI----Nonattainment 8-Hour Ozone Category/Classification: Moderate
WISCONSIN(Region V)
   Sheboygan Co   Moderate            

South Bend-Elkhart, IN----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
INDIANA(Region V)
   Elkhart Co   Marginal            
   St Joseph Co   Marginal            

Springfield (W. Mass), MA----Nonattainment 8-Hour Ozone Category/Classification: Moderate
MASSACHUSETTS(Region I)
   Berkshire Co Serious              
   Franklin Co Serious              
   Hampden Co Serious     Not Classified        
   Hampshire Co Serious              

St Louis, MO-IL (IL portion)----Redesignated but Split Area** 8-Hour Ozone Category/Classification: Moderate
ILLINOIS(Region V)
   Jersey Co   Marginal            
   Madison Co   Serious       Moderate   Nonatt.
   Monroe Co   Serious           Nonatt.
   St Clair Co   Serious           Nonatt.

St Louis, MO-IL (MO portion)----Nonattainment 8-Hour Ozone Category/Classification: Moderate
MISSOURI(Region VII)
   Franklin Co   Serious           Nonatt.
   Jefferson Co   Serious           Nonatt.
   St Charles Co   Serious           Nonatt.
   St Louis   Serious   Not Classified       Nonatt.
   St Louis Co   Serious   Not Classified       Nonatt.

State College, PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
PENNSYLVANIA(Region III)
   Centre Co                

Steubenville-Weirton, OH-WV----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
OHIO(Region V)
   Jefferson Co   Section 185A       Moderate    
WEST VIRGINIA(Region III)
   Brooke Co           Moderate Nonatt. Nonatt.
   Hancock Co           Moderate Nonatt. Nonatt.

Sutter Co (Sutter Buttes), CA----Nonattainment 8-Hour Ozone Category/Classification: Marginal
CALIFORNIA(Region IX)
   Sutter Co (P) Section 185A           Nonatt.  

Terre Haute, IN----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
INDIANA(Region V)
   Vigo Co                

Tioga Co, PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
PENNSYLVANIA(Region III)
   Tioga Co                

Toledo, OH----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
OHIO(Region V)
   Lucas Co   Moderate            
   Wood Co   Moderate            

Ventura Co, CA----Nonattainment 8-Hour Ozone Category/Classification: Serious
CALIFORNIA(Region IX)
   Ventura Co (P) Severe 15              

Washington, DC-MD-VA----Nonattainment 8-Hour Ozone Category/Classification: Moderate
DISTRICT OF COLUMBIA(Region III)
   Entire District Severe 15     Moderate <= 12.7ppm       Nonatt.
MARYLAND(Region III)
   Calvert Co Severe 15              
   Charles Co Severe 15             Nonatt.
   Frederick Co Severe 15             Nonatt.
   Montgomery Co Severe 15     Moderate <= 12.7ppm       Nonatt.
   Prince George's Co Severe 15     Moderate <= 12.7ppm       Nonatt.
VIRGINIA(Region III)
   Alexandria Severe 15     Moderate <= 12.7ppm       Nonatt.
   Arlington Co Severe 15     Moderate <= 12.7ppm       Nonatt.
   Fairfax Severe 15             Nonatt.
   Fairfax Co Severe 15             Nonatt.
   Falls Church Severe 15             Nonatt.
   Loudoun Co Severe 15             Nonatt.
   Manassas Severe 15             Nonatt.
   Manassas Park Severe 15             Nonatt.
   Prince William Co Severe 15             Nonatt.

Wheeling, WV-OH----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
OHIO(Region V)
   Belmont Co                
WEST VIRGINIA(Region III)
   Marshall Co                
   Ohio Co                

York, PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
PENNSYLVANIA(Region III)
   Adams Co Marginal              
   York Co Marginal           Nonatt. Nonatt.

Youngstown-Warren-Sharon, OH-PA----Maintenance 8-Hour Ozone Category/Classification: Former Subpart 1
OHIO(Region V)
   Columbiana Co   Incomplete Data            
   Mahoning Co   Marginal            
   Trumbull Co   Marginal            
PENNSYLVANIA(Region III)
   Mercer Co Marginal              

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