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1997-1999 8-Hour Ozone County Design Values

Information provided for informational purposes only Note: EPA no longer updates this information, but it may be useful for historical purposes. See http://www.epa.gov/ttn/chief/eiinformation.html for emission inventory information.

Please review notes at end of page.
9/6/00
                               Design                No. of Days
                               Value  Viol-          Greater or
State County name              (ppb)* ating?  Notes  Equal 85 ppb***  Location

AL    CLAY CO                    88     V                  23         E of Birmingham
      ELMORE CO                  79                         7         Montgomery, AL
      JEFFERSON CO               93     V                  21         Birmingham, AL
      LAWRENCE CO                84                        12         Decatur, AL
      MADISON CO                 90     V                  32         Huntsville, AL
      MOBILE CO                  88     V                  15         Mobile, AL
      MONTGOMERY CO              84                        18         Montgomery, AL
      SHELBY CO                  97     V                  44         Birmingham, AL
      SUMTER CO                  67                         0         SW of Tuscaloosa

AK    YUKON-KOYUKUK CA           53                         0         Yukon-koyukuk Ed, AK

AZ    COCHISE CO                 68                         0         Cochise Co, AZ
      COCONINO CO                73                         0         Flagstaff, AZ-UT
      MARICOPA CO                88     V                  22         Phoenix-Mesa, AZ
      PIMA CO                    74                         2         Tucson, AZ
      YAVAPAI CO                 81                         6         Yavapai Co, AZ
      YUMA CO                    82                         6         Yuma, AZ

AR    CRITTENDEN CO              90     V                  23         Memphis, TN-AR-MS
      MONTGOMERY CO              71                         1         W of Little Rock
      NEWTON CO                  77                         3         E of Fayetteville
      PULASKI CO                 83                         7         Little Rock-North Little Rock, AR

CA    ALAMEDA CO                 85     V                  14         San Francisco Bay Area, CA
      AMADOR CO                  96     V                  44         Sacramento Metro, CA
      BUTTE CO                   77                         6         Chico-Paradise, CA
      CALAVERAS CO               96     V                  50         San Joaquin Valley, CA
      COLUSA CO                  76                         2         Yuba City
      CONTRA COSTA CO            81                        10         San Francisco Bay Area, CA
      EL DORADO CO              103     V                  70         Sacramento Metro, CA
      FRESNO CO                 113     V                 180         San Joaquin Valley, CA
      GLENN CO                   77                         3         Chico
      IMPERIAL CO                91     V                  40         San Diego, CA
      INYO CO                    79                         2         San Joauqin/Fresno/LA
      KERN CO                   111     V                 195         San Joaquin Valley, CA
CA    KINGS CO                   99     V                  82         San Joaquin Valley, CA
      LAKE CO                    61                         0         San Fran/Sacramento
      LOS ANGELES CO            118     V                  70         Los Angeles-Riverside-Orange, CA
      MADERA CO                  84           ** 91        23         San Joaquin Valley, CA
      MARIN CO                   51                         0         San Francisco Bay Area, CA
      MARIPOSA CO                95     V                  42         San Joaquin Valley, CA
      MENDOCINO CO               58                         0         San Francisco
      MERCED CO                  97     V                  76         San Joaquin Valley, CA
      MONTEREY CO                62                         0         Monterey Bay, CA
      NAPA CO                    66                         2         San Francisco Bay Area, CA
      NEVADA CO                  94     V                  56         Sacramento Metro, CA
      ORANGE CO                  84                         8         Los Angeles-Riverside-Orange, CA
      PLACER CO                  97     V                  42         Sacramento Metro, CA
      PLUMAS CO                  60                         0         Chico/Redding
      RIVERSIDE CO              124     V                 161         Los Angeles-Riverside-Orange, CA
      SACRAMENTO CO             101     V                  52         Sacramento Metro, CA
      SAN BENITO CO              82                         7         Monterey Bay, CA
      SAN BERNARDINO CO         147     V                 234         Los Angeles-Riverside-Orange, CA
      SAN DIEGO CO               99     V                  59         San Diego, CA
      SAN FRANCISCO CO           44                         0         San Francisco Bay Area, CA
      SAN JOAQUIN CO             87     V                  18         San Joaquin Valley, CA
      SAN LUIS OBISPO CO         82                        21         San Luis Obispo-Atascadero-Paso Robles, CA
      SAN MATEO CO               49                         0         San Francisco Bay Area, CA
      SANTA BARBARA CO           82                         8         Santa Barbara-Santa Maria-Lompoc, CA
      SANTA CLARA CO             80                         9         San Francisco Bay Area, CA
      SANTA CRUZ CO              66                         0         Monterey Bay, CA
      SHASTA CO                  95     V                  62         Redding, CA
      SISKIYOU CO                62                         0         Redding
      SOLANO CO                  85     V                  15         San Francisco Bay Area, CA
      SONOMA CO                  78                         6         San Francisco Bay Area, CA
      STANISLAUS CO              95     V                  46         San Joaquin Valley, CA
      SUTTER CO                  89     V                  25         Sacramento Metro, CA
      TEHAMA CO                  91     V                  28         Redding, CA
      TULARE CO                 102     V                 149         San Joaquin Valley, CA
      TUOLUMNE CO                92     V                  49         San Joaquin Valley, CA
      VENTURA CO                106     V                  91         Los Angeles-Riverside-Orange, CA
      YOLO CO                    81                        10         Sacramento Metro, CA

CO    ADAMS CO                   75                         2         Denver-Boulder-Greeley, CO
      ARAPAHOE CO                74                         2         Denver-Boulder-Greeley, CO
      BOULDER CO                 78                         6         Denver-Boulder-Greeley, CO
      DENVER CO                  73                         4         Denver-Boulder-Greeley, CO
      DOUGLAS CO                 78             H           4         Denver-Boulder-Greeley, CO
      EL PASO CO                 61                         0         Colorado Springs, CO
      JEFFERSON CO               83                         9         Denver-Boulder-Greeley, CO
      LARIMER CO                 74                         2         Fort Collins-Loveland, CO
      MONTEZUMA CO               66                         0         S of Grand Junction
      WELD CO                    71                         0         Denver-Boulder-Greeley, CO

CT    FAIRFIELD CO              103     V                  41         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      HARTFORD CO                91     V                  20         Greater Connecticut, CT
      LITCHFIELD CO              97     V                  31         Greater Connecticut, CT
      MIDDLESEX CO               99     V                  32         Greater Connecticut, CT
      NEW HAVEN CO              103     V                  44         Greater Connecticut, CT
      NEW LONDON CO              94     V                  31         Greater Connecticut, CT
      TOLLAND CO                 95     V                  30         Greater Connecticut, CT

DE    KENT CO                    99     V                  43         Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE
      NEW CASTLE CO             100     V                  50         Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE
      SUSSEX CO                  99     V                  47         Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE

DC    WASHINGTON                100     V                  60         Washington-Baltimore, DC-MD-VA-WV

FL    ALACHUA CO                 82             ** 86       6         Gainesville, FL
      BAKER CO                   76                         0         Baker Co, FL
      BREVARD CO                 79                         6         Melbourne-Titusville-Palm Bay, FL
      BROWARD CO                 75                         2         Miami-Fort Lauderdale-W Palm Beach, FL
      DADE CO                    78                         7         Miami-Fort Lauderdale-W Palm Beach, FL
      DUVAL CO                   77                         7         Jacksonville, FL
      ESCAMBIA CO                91     V                  21         Pensacola, FL
      HILLSBOROUGH CO            87     V                  15         Tampa-St Petersburg-Clearwater, FL
      HOLMES CO                  77                         4         Holmes Co, FL
      LEE CO                     78                         6         Fort Myers-Cape Coral, FL
      MANATEE CO                 84                         8         Sarasota-Bradenton, FL
      ORANGE CO                  83                        10         Orlando, FL
      OSCEOLA CO                 80                         7         Orlando, FL
      PALM BEACH CO              76                         3         Miami-Fort Lauderdale-W Palm Beach, FL
      PASCO CO                   82                         7         Tampa-St Petersburg-Clearwater, FL
      PINELLAS CO                84                         9         Tampa-St Petersburg-Clearwater, FL
      POLK CO                    81                         8         Lakeland-Winter Haven, FL
      ST LUCIE CO                72                         1         Fort Pierce-Port St Lucie, FL
      SARASOTA CO                82                         9         Sarasota-Bradenton, FL
      SEMINOLE CO                79                         3         Orlando, FL
      VOLUSIA CO                 76                         1         Daytona Beach, FL

GA    BIBB CO                   104     V                  48         Macon, GA
      CHATHAM CO                 76                         3         Savannah, GA
      DAWSON CO                  88     V                  22         Atlanta, GA
      DE KALB CO                105     V                  57         Atlanta, GA
      DOUGLAS CO                101     V                  82         Atlanta, GA
      FANNIN CO                  78                         5         N of Atlanta
      FAYETTE CO                                ** 112     64         Atlanta, GA
      FULTON CO                 118     V                 119         Atlanta, GA
      GLYNN CO                   79                         4         S of Sanannah
      GWINNETT CO               100     V                  49         Atlanta, GA
      MUSCOGEE CO                89     V                  22         Columbus, GA-AL
      PAULDING CO                97     V                  54         Atlanta, GA
      RICHMOND CO                92     V                  27         Augusta-Aiken, GA-SC
      ROCKDALE CO               115     V                 105         Atlanta, GA
      SUMTER CO                  83                         8         Albany

HI    HONOLULU CO                48                         0         Honolulu, HI

ID    BUTTE CO                   64                         0         NW of Pocatello

IL    ADAMS CO                   72                         3         W of Springfield
      CHAMPAIGN CO               84                         8         Champaign-Urbana, IL
      COOK CO                    90     V                  17         Chicago-Gary-Lake County, IL-IN
      DU PAGE CO                 71                         1         Chicago-Gary-Lake County, IL-IN
      EFFINGHAM CO               84                         9         E of St Louis/S of Decatur
      HAMILTON CO                76                         4         E of St Louis
      JERSEY CO                  91     V                  20         St Louis, MO-IL
      KANE CO                    77                         1         Chicago-Gary-Lake County, IL-IN
      LAKE CO                    88     V                  17         Chicago-Gary-Lake County, IL-IN
      MC HENRY CO                82                        10         Chicago-Gary-Lake County, IL-IN
      MACON CO                   80                         5         Decatur, IL
      MACOUPIN CO                80                         6         St Loius
      MADISON CO                 87     V                  15         St Louis, MO-IL
      PEORIA CO                  77                         4         Peoria-Pekin, IL
      RANDOLPH CO                78                         3         St Louis
      ROCK ISLAND CO             70                         0         Davenport-Moline-Rock Island, IA-IL
      ST CLAIR CO                80                         6         St Louis, MO-IL
      SANGAMON CO                74                         2         Springfield, IL
      WILL CO                    80                         8         Chicago-Gary-Lake County, IL-IN
      WINNEBAGO CO               75                         1         Rockford, IL

IN    ALLEN CO                   88     V                  25         Fort Wayne, IN
      CLARK CO                   96     V                  43         Louisville, KY-IN
      ELKHART CO                 82                         7         South Bend-Elkhart, IN
      FLOYD CO                   92     V                  27         Louisville, KY-IN
      HAMILTON CO                97     V                  42         Indianapolis, IN
      HANCOCK CO                 92     V                  35         Indianapolis, IN
      JOHNSON CO                 89     V                  24         Indianapolis, IN
      LAKE CO                    91     V                  22         Chicago-Gary-Lake County, IL-IN
      LA PORTE CO                91     V                  27         Chicago-Gary-Lake County, IL-IN
      MADISON CO                 90     V                  31         Indianapolis, IN
      MARION CO                  93     V                  33         Indianapolis, IN
      MORGAN CO                  90     V                  28         Indianapolis, IN
      PERRY CO                                  ** 95      28         Owensboro, KY
      PORTER CO                  93     V                  26         Chicago-Gary-Lake County, IL-IN
      POSEY CO                   91     V                  30         Evansville-Henderson, IN-KY
      ST JOSEPH CO               91     V                  24         South Bend-Elkhart, IN
      VANDERBURGH CO             94     V                  32         Evansville-Henderson, IN-KY
      VIGO CO                    83                         9         Terre Haute, IN
      WARRICK CO                 94     V                  30         Evansville-Henderson, IN-KY

IA    HARRISON CO                72                         1         Omaha
      LINN CO                    68                         0         Cedar Rapids, IA
      PALO ALTO CO               64                         0         E of Sioux Falls
      POLK CO                    59                         0         Des Moines, IA
      SCOTT CO                   74                         3         Davenport-Moline-Rock Island, IA-IL
      STORY CO                   72                         0         Des Moines
      VAN BUREN CO               70                         1         S of Iowa City
      WARREN CO                  66                         0         Des Moines, IA

KS    SEDGWICK CO                80                         6         Wichita, KS
      WYANDOTTE CO               84             H          13         Kansas City, MO-KS

KY    BELL CO                    80                         5         N of Knoxville
      BOONE CO                   85     V                  12         Cincinnati-Hamilton, OH-KY-IN
      BOYD CO                    85     V                  13         Huntington-Ashland, WV-KY-OH
      BULLITT CO                 89     V                  27         Louisville, KY-IN
      CAMPBELL CO                89     V                  19         Cincinnati-Hamilton, OH-KY-IN
      CARTER CO                                 ** 94      24         Huntington-Ashland, WV-KY-OH
      CHRISTIAN CO               86     V                  20         Clarksville-Hopkinsville, TN-KY
      DAVIESS CO                 87     V                  21         Owensboro, KY
      EDMONSON CO                93     V                  34         N of Nashville
      FAYETTE CO                 87     V                  17         Lexington, KY
      GRAVES CO                  87     V                  19         Paducah, KY
      GREENUP CO                 90     V                  25         Huntington-Ashland, WV-KY-OH
      HANCOCK CO                 91     V                  25         Owensboro, KY
      HARDIN CO                  80                        12         Louisville
      HENDERSON CO               86     V                  16         Evansville-Henderson, IN-KY
      JEFFERSON CO               95     V                  32         Louisville, KY-IN
      JESSAMINE CO               83                        10         Lexington, KY
      KENTON CO                  88     V                  18         Cincinnati-Hamilton, OH-KY-IN
      LIVINGSTON CO              95     V                  45         Paducah, KY
      MC CRACKEN CO              89     V                  19         Paducah, KY
      MC LEAN CO                 90     V                  23         Owensboro, KY
      OLDHAM CO                  96     V                  50         Louisville, KY-IN
      PERRY CO                   69                         1         N of Johnson City
      PIKE CO                    76                         6         S of Huntington
      PULASKI CO                 84                        16         S of Lexington
      SCOTT CO                   80                         7         Lexington, KY
      SIMPSON CO                 91     V                  30         Nashville, TN

LA    ASCENSION PAR              88     V                  18         Baton Rouge, LA
      BEAUREGARD PAR             78                         5         Lake Charles
      BOSSIER PAR                88     V                  15         Shreveport-Bossier City, LA
      CADDO PAR                  87     V                  14         Shreveport-Bossier City, LA
      CALCASIEU PAR              88     V                  15         Lake Charles, LA
      EAST BATON ROUGE PAR       92     V                  30         Baton Rouge, LA
      GRANT PAR                  80                         2         Alexandria
      IBERVILLE PAR              91     V                  23         Baton Rouge, LA
      JEFFERSON PAR              85     V                  16         New Orleans, LA
      LAFAYETTE PAR              81                         7         Lafayette, LA
      LAFOURCHE PAR              85     V                  11         Houma, LA
      LIVINGSTON PAR             87     V                  17         Baton Rouge, LA
      ORLEANS PAR                71                         0         New Orleans, LA
      OUACHITA PAR               76                         1         Monroe, LA
      POINTE COUPEE PAR          80                        10         Baton Rouge, LA
      ST BERNARD PAR             80                         6         New Orleans, LA
      ST CHARLES PAR             84                        10         New Orleans, LA
      ST JAMES PAR               82                        10         New Orleans, LA
      ST JOHN THE BAPTIST PAR    84                        12         New Orleans, LA
      ST MARY PAR                84                        11         Houma
      WEST BATON ROUGE PAR       85     V                  11         Baton Rouge, LA

ME    CUMBERLAND CO              89     V                  13         Portland, ME
      HANCOCK CO                 89     V                  17         Hancock & Waldo Cos, ME
      KENNEBEC CO                77                         6         Lewiston-Auburn, ME
      KNOX CO                    82                        11         Knox & Lincoln Cos, ME
      OXFORD CO                  59                         0         Lewiston
      PENOBSCOT CO               75                         2         Bangor, ME
      SAGADAHOC CO               92     V                  15         Portland, ME
      YORK CO                    92     V                  15         Portland, ME

MD    ANNE ARUNDEL CO           109     V                  93         Washington-Baltimore, DC-MD-VA-WV
      BALTIMORE CO               99     V                  32         Washington-Baltimore, DC-MD-VA-WV
      CALVERT CO                 90     V                  24         Washington-Baltimore, DC-MD-VA-WV
      CARROLL CO                 95     V                  43         Washington-Baltimore, DC-MD-VA-WV
      CECIL CO                  110     V                  59         Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE
      CHARLES CO                104     V                  78         Washington-Baltimore, DC-MD-VA-WV
      FREDERICK CO                              ** 95      29         Washington-Baltimore, DC-MD-VA-WV
      HARFORD CO                106     V                  52         Washington-Baltimore, DC-MD-VA-WV
      KENT CO                   100     V                  57         Washington-Baltimore, DC-MD-VA-WV
      MONTGOMERY CO              95     V                  51         Washington-Baltimore, DC-MD-VA-WV
      PRINCE GEORGES CO         106     V                  71         Washington-Baltimore, DC-MD-VA-WV
      BALTIMORE                  90     V                  21         Washington-Baltimore, DC-MD-VA-WV

MA    BARNSTABLE CO              95     V                  31         Boston-Lawrence-Worcester (E MA), MA-NH
      BERKSHIRE CO               74                         2         Springfield (Western MA), MA
      BRISTOL CO                 91     V                  22         Boston-Lawrence-Worcester (E MA), MA-NH
      ESSEX CO                   93     V                  19         Boston-Lawrence-Worcester (E MA), MA-NH
      HAMPDEN CO                 91     V                  19         Springfield (Western MA), MA
      HAMPSHIRE CO               99     V                  24         Springfield (Western MA), MA
      MIDDLESEX CO               93     V                  18         Boston-Lawrence-Worcester (E MA), MA-NH
      SUFFOLK CO                 82                         9         Boston-Lawrence-Worcester (E MA), MA-NH
      WORCESTER CO               94     V                  19         Boston-Lawrence-Worcester (E MA), MA-NH

MI    ALLEGAN CO                 94     V                  38         Grand Rapids-Muskegon-Holland, MI
      BENZIE CO                  89     V                  22         On Lake MI
      BERRIEN CO                 96     V                  42         Benton Harbor, MI
      CASS CO                    92     V                  28         Benton Harbor, MI
      CLINTON CO                 81                         7         Lansing-East Lansing, MI
      GENESEE CO                 89     V                  19         Detroit-Ann Arbor-Flint, MI
      HURON CO                   85     V                  13         N of Detroit
      INGHAM CO                  82                        10         Lansing-East Lansing, MI
      KALAMAZOO CO               87     V                  19         Kalamazoo-Battle Creek, MI
      KENT CO                    85     V       H          10         Grand Rapids-Muskegon-Holland, MI
      LENAWEE CO                 81                         6         Detroit-Ann Arbor-Flint, MI
      MACOMB CO                  95     V                  29         Detroit-Ann Arbor-Flint, MI
      MASON CO                   93     V                  26         On Lake MI
      MISSAUKEE CO                              ** 85       8         NW or Saginaw
      MUSKEGON CO                93     V                  36         Grand Rapids-Muskegon-Holland, MI
      OAKLAND CO                 84                        13         Detroit-Ann Arbor-Flint, MI
      OTTAWA CO                  87     V                  19         Grand Rapids-Muskegon-Holland, MI
      ST CLAIR CO                88     V                  21         Detroit-Ann Arbor-Flint, MI
      WASHTENAW CO               83                        11         Detroit-Ann Arbor-Flint, MI
      WAYNE CO                   91     V                  23         Detroit-Ann Arbor-Flint, MI

MN    ANOKA CO                   73                         1         Minneapolis-St Paul, MN-WI
      DAKOTA CO                  70                         0         Minneapolis-St Paul, MN-WI
      LAKE CO                    66                         0         Duluth
      ST LOUIS CO                70                         0         Duluth-Superior, MN-WI
      WASHINGTON CO              65                         1         Minneapolis-St Paul, MN-WI

MS    ADAMS CO                   80                         6         SW of Jackson
      DE SOTO CO                 88     V                  25         Memphis, TN-AR-MS
      HANCOCK CO                 86     V                  15         Biloxi-Gulfport-Pascagoula, MS
      HINDS CO                   81                         3         Jackson, MS
      JACKSON CO                 93     V                  28         Biloxi-Gulfport-Pascagoula, MS
      LAUDERDALE CO              77                         4         E of Jackson
      LEE CO                     87     V                  18         SW of Florence
      MADISON CO                 81                         6         Jackson, MS
      WARREN CO                  77                         3         Jackson

MO    CEDAR CO                                  ** 85       7         NW of Springfield/NE Joplin
      CLAY CO                    91     V                  25         Kansas City, MO-KS
      GREENE CO                  73                         2         Springfield, MO
      JACKSON CO                 75                         2         Kansas City, MO-KS
      JEFFERSON CO               92     V                  24         St Louis, MO-IL
      MONROE CO                  83                        10         NE of Columbia
      PLATTE CO                  85     V                  11         Kansas City, MO-KS
      ST CHARLES CO              95     V                  43         St Louis, MO-IL
      STE GENEVIEVE CO           88     V                  19         St Louis, MO-IL
      ST LOUIS CO                89     V                  22         St Louis, MO-IL
      ST LOUIS                   83                         9         St Louis, MO-IL

MT    FLATHEAD CO                47                         0         Flat Head Co, MT

NE    DOUGLAS CO                 65                         2         Omaha, NE-IA
      LANCASTER CO               55                         0         Lincoln, NE

NV    CLARK CO                   77             ** 87      11         Las Vegas, NV-AZ
      DOUGLAS CO                 69             H           0         Sacramento
      WASHOE CO                  72                         1         Reno, NV
      WHITE PINE CO              72                         0         Las Vegas
      CARSON CITY                68                         0         Reno/Sacramento

NH    BELKNAP CO                 68                         1         Boston
      CARROLL CO                 67                         0         Boston
      CHESHIRE CO                75                         3         Boston
      COOS CO                    77                         4         N of Boston
      GRAFTON CO                 70                         0         Boston
      HILLSBOROUGH CO            89     V                  15         Boston-Lawrence-Worcester (E MA), MA-NH
      MERRIMACK CO               74                         1         Boston-Lawrence-Worcester (E MA), MA-NH
      ROCKINGHAM CO              90     V                  16         Boston-Lawrence-Worcester (E MA), MA-NH
      STRAFFORD CO               81                         3         Boston-Lawrence-Worcester (E MA), MA-NH
      SULLIVAN CO                73                         1         Boston

NJ    ATLANTIC CO                97     V                  53         Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE
      CAMDEN CO                 106     V                  76         Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE
      CUMBERLAND CO              99     V                  48         Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE
      ESSEX CO                   93     V                  17         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      GLOUCESTER CO             102     V                  61         Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE
      HUDSON CO                 100     V                  33         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      HUNTERDON CO              102     V                  62         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      MERCER CO                 104     V                  56         Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE
      MIDDLESEX CO              105     V                  53         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      MONMOUTH CO                94     V                  43         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      MORRIS CO                  98     V                  56         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      OCEAN CO                  107     V                  71         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      PASSAIC CO                                ** 94      23         New York-N New Jersey-LIsland,NY-NJ-CT-PA

NM    BERNALILLO CO              71                         1         Albuquerque, NM
      DONA ANA CO                79                         3         Sunland Park, NM
      EDDY CO                    68                         0         NW of Odessa
      SANDOVAL CO                67                         1         Albuquerque, NM
      SAN JUAN CO                67                         0         Albuquerque
      VALENCIA CO                67                         0         Albuquerque, NM

NY    ALBANY CO                  79                         5         Albany-Schenectady-Troy, NY
      BRONX CO                   88     V                  13         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      CHAUTAUQUA CO              89     V                  22         Jamestown, NY
      CHEMUNG CO                 79                         4         Elmira, NY
      DUTCHESS CO                90     V                  23         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      ERIE CO                    85     V                  19         Buffalo-Niagara Falls, NY
      ESSEX CO                   81                         6         Glens Falls/Burlington
      HAMILTON CO                79                         3         Utica/Glens Falls
      HERKIMER CO                72                         0         Utica-Rome, NY
      JEFFERSON CO               90     V                  18         Syracuse, NY
      MADISON CO                 79                         3         Syracuse, NY
      MONROE CO                  83                        12         Rochester, NY
      NEW YORK CO                77                         8         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      NIAGARA CO                 86     V                  14         Buffalo-Niagara Falls, NY
      ONEIDA CO                  76                         2         Utica-Rome, NY
      ONONDAGA CO                82                         9         Syracuse, NY
      ORANGE CO                  90     V                  20         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      PUTNAM CO                  94     V                  30         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      QUEENS CO                                 ** 91      18         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      RICHMOND CO               105     V                  47         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      SARATOGA CO                83                        11         Albany-Schenectady-Troy, NY
      SCHENECTADY CO             75                         3         Albany-Schenectady-Troy, NY
      SUFFOLK CO                 98     V                  33         New York-N New Jersey-LIsland,NY-NJ-CT-PA
      ULSTER CO                  83                         8         New York
      WAYNE CO                   86     V                  15         Rochester, NY
      WESTCHESTER CO             98     V                  29         New York-N New Jersey-LIsland,NY-NJ-CT-PA

NC    ALEXANDER CO               86     V                  20         Hickory-Morganton-Lenoir, NC
      BUNCOMBE CO                83                         7         Asheville, NC
      CALDWELL CO                90     V                  29         Hickory-Morganton-Lenoir, NC
      CAMDEN CO                  84                         8         Norfolk
      CASWELL CO                 94     V                  43         Greensboro-Winston Salem-High Point, NC
      CHATHAM CO                 88     V                  21         Raleigh-Durham-Chapel Hill, NC
      CUMBERLAND CO              92     V                  42         Fayetteville, NC
      DAVIE CO                   98     V                  53         Greensboro-Winston Salem-High Point, NC
      DUPLIN CO                  85     V                  19         Goldsboro, NC
      DURHAM CO                  88     V                  27         Raleigh-Durham-Chapel Hill, NC
      EDGECOMBE CO               90     V                  21         Rocky Mount, NC
      FORSYTH CO                 97     V                  40         Greensboro-Winston Salem-High Point, NC
      FRANKLIN CO                93     V                  33         Raleigh-Durham-Chapel Hill, NC
      GRANVILLE CO               92     V                  35         Raleigh-Durham-Chapel Hill, NC
NC    GUILFORD CO                92     V                  38         Greensboro-Winston Salem-High Point, NC
      HAYWOOD CO                 94     V                  48         Asheville, NC
      JOHNSTON CO                95     V                  48         Raleigh-Durham-Chapel Hill, NC
      LENOIR CO                                 ** 90      13         Goldsboro, NC
      LINCOLN CO                 87     V                  26         Charlotte-Gastonia-Rock Hill, NC-SC
      MARTIN CO                  82                         5         Greenville/Rocky Mount
      MECKLENBURG CO            104     V                  96         Charlotte-Gastonia-Rock Hill, NC-SC
      NEW HANOVER CO             78                         7         Wilmington, NC
      NORTHAMPTON CO             87     V                  19         Eastern NC
      PERSON CO                                 ** 95      33         Raleigh-Durham-Chapel Hill, NC
      PITT CO                    93     V                  28         Greenville, NC
      ROCKINGHAM CO              85     V                  18         Greensboro-Winston Salem-High Point, NC
      ROWAN CO                   99     V                  71         Charlotte-Gastonia-Rock Hill, NC-SC
      SWAIN CO                   74                         1         Knoxville
      WAKE CO                   101     V                  59         Raleigh-Durham-Chapel Hill, NC
      YANCEY CO                  79             ** 85      14         Asheville, NC

ND    BILLINGS CO                61                         0         W of Bismarck
      MERCER CO                  60             H           0         Bismarck
      OLIVER CO                  59                         0         Bismarck
      STEELE CO                  60                         0         Grand Forks/Fargo

OH    ALLEN CO                   88     V                  17         Lima, OH
      ASHTABULA CO               92     V                  28         Cleveland-Akron, OH
      BUTLER CO                  93     V                  45         Cincinnati-Hamilton, OH-KY-IN
      CLARK CO                   94     V                  36         Dayton-Springfield, OH
      CLERMONT CO                93     V                  39         Cincinnati-Hamilton, OH-KY-IN
      CLINTON CO                 98     V                  45         Cincinnati-Hamilton, OH-KY-IN
      CUYAHOGA CO                88     V                  18         Cleveland-Akron, OH
      DELAWARE CO                97     V                  36         Columbus, OH
      FRANKLIN CO                93     V                  32         Columbus, OH
      GEAUGA CO                  91     V                  29         Cleveland-Akron, OH
      GREENE CO                  93     V                  36         Dayton-Springfield, OH
      HAMILTON CO                91     V                  23         Cincinnati-Hamilton, OH-KY-IN
      JEFFERSON CO               81                         5         Steubenville-Weirton, OH-WV
      KNOX CO                    91     V                  22         Columbus, OH
      LAKE CO                    99     V                  39         Cleveland-Akron, OH
      LAWRENCE CO                93     V                  33         Huntington-Ashland, WV-KY-OH
      LICKING CO                 92     V                  32         Columbus, OH
      LOGAN CO                   84                         9         Lima
      LORAIN CO                  87     V                  13         Cleveland-Akron, OH
      LUCAS CO                   85     V                  11         Toledo, OH
      MADISON CO                 94     V                  40         Columbus, OH
      MAHONING CO                91     V                  25         Youngstown-Warren-Sharon, PA-OH
      MEDINA CO                  89     V                  22         Cleveland-Akron, OH
      MIAMI CO                   88     V                  22         Dayton-Springfield, OH
      MONTGOMERY CO              92     V                  25         Dayton-Springfield, OH
      PORTAGE CO                 93     V                  32         Cleveland-Akron, OH
OH    PREBLE CO                  83                        12         Cincinnati/Dayton
      STARK CO                   91     V                  24         Canton-Massillon, OH
      SUMMIT CO                  94     V                  31         Cleveland-Akron, OH
      TRUMBULL CO                95     V                  37         Youngstown-Warren-Sharon, PA-OH
      UNION CO                   80                        12         Columbus
      WARREN CO                  95     V                  37         Cincinnati-Hamilton, OH-KY-IN
      WASHINGTON CO              90     V                  26         Parkersburg-Marietta, WV-OH
      WOOD CO                    86     V                  11         Toledo, OH

OK    CLEVELAND CO               84                         7         Oklahoma City, OK
      COMANCHE CO                75                         5         Lawton, OK
      LATIMER CO                                ** 86       9         SW of Fort Smith
      MC CLAIN CO                81                         8         Oklahoma City, OK
      OKLAHOMA CO                86     V                  11         Oklahoma City, OK
      TULSA CO                   88     V                  19         Tulsa, OK

OR    CLACKAMAS CO               71                         3         Portland-Salem, OR-WA
      COLUMBIA CO                56                         0         Portland-Salem, OR-WA
      JACKSON CO                 74             H           6         Medford-Ashland, OR
      LANE CO                    68                         1         Eugene-Springfield, OR
      MARION CO                  67                         1         Portland-Salem, OR-WA

PA    ALLEGHENY CO              101     V                  47         Pittsburgh, PA
      ARMSTRONG CO               86     V                  39         Pittsburgh, PA
      BEAVER CO                  92     V                  29         Pittsburgh, PA
      BERKS CO                   96     V                  40         Reading, PA
      BLAIR CO                   95     V                  30         Altoona, PA
      BUCKS CO                  103     V                  55         Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE
      CAMBRIA CO                 93     V                  31         Johnstown, PA
      CENTRE CO                  90     V                  19         State College, PA
      CLEARFIELD CO              93     V                  29         Johnstown, PA
      DAUPHIN CO                 94     V                  40         Harrisburg-Lebanon-Carlisle, PA
      DELAWARE CO               100     V                  55         Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE
      ERIE CO                    93     V                  31         Erie, PA
      FRANKLIN CO                97     V                  49         Harrisburg-Lebanon-Carlisle, PA
      GREENE CO                  97     V                  47         Pittsburgh, PA
      LACKAWANNA CO              90     V                  22         Scranton-Wilkes-Barre-Hazleton, PA
      LANCASTER CO              101     V                  66         Lancaster, PA
      LAWRENCE CO                83                        11         Pittsburg/Sharon/Youngstown
      LEHIGH CO                 100     V                  49         Allentown-Bethlehem-Easton, PA-NJ
      LUZERNE CO                 92     V                  24         Scranton-Wilkes-Barre-Hazleton, PA
      LYCOMING CO                74                         3         Williamsport, PA
      MERCER CO                  96     V                  41         Youngstown-Warren-Sharon, PA-OH
      MONROE CO                  97     V                  49         Scranton-Wilkes-Barre-Hazleton, PA
      MONTGOMERY CO             104     V                  56         Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE
      NORTHAMPTON CO             93     V                  31         Allentown-Bethlehem-Easton, PA-NJ
      PERRY CO                   90     V                  28         Harrisburg-Lebanon-Carlisle, PA
      PHILADELPHIA CO            90     V                  42         Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE
PA    WASHINGTON CO             101     V                  59         Pittsburgh, PA
      WESTMORELAND CO            85     V                  12         Pittsburgh, PA
      YORK CO                    94     V                  41         York, PA

RI    KENT CO                    92     V                  21         Providence (All RI), RI
      PROVIDENCE CO              80                         7         Providence (All RI), RI
      WASHINGTON CO              84             ** 85      15         Providence (All RI), RI

SC    ABBEVILLE CO               86     V                  22         Greenville-Spartanburg-Anderson, SC
      AIKEN CO                   89     V                  32         Augusta-Aiken, GA-SC
      ANDERSON CO                95     V                  41         Greenville-Spartanburg-Anderson, SC
      BARNWELL CO                88     V                  22         Augusta-Aiken, GA-SC
      BERKELEY CO                79                         5         Charleston-North Charleston, SC
      CHARLESTON CO              79                         5         Charleston-North Charleston, SC
      CHEROKEE CO                93     V                  29         Greenville-Spartanburg-Anderson, SC
      CHESTER CO                 92     V                  36         Charlotte-Gastonia-Rock Hill, NC-SC
      COLLETON CO                82                         6         Charleston
      DARLINGTON CO              88     V                  23         Florence, SC
      EDGEFIELD CO               85     V                  20         Augusta-Aiken, GA-SC
      OCONEE CO                  86     V                  14         Greenville-Spartanburg-Anderson, SC
      PICKENS CO                 90     V                  18         Greenville-Spartanburg-Anderson, SC
      RICHLAND CO                92     V                  27         Columbia, SC
      SPARTANBURG CO             94     V                  28         Greenville-Spartanburg-Anderson, SC
      UNION CO                   84                        12         Greenville
      WILLIAMSBURG CO            75                         1         Florence/Charleston
      YORK CO                    86     V                  15         Charlotte-Gastonia-Rock Hill, NC-SC

TN    ANDERSON CO                88     V                  28         Knoxville, TN
      BLOUNT CO                 104     V                  91         Knoxville, TN
      DAVIDSON CO                91     V                  28         Nashville, TN
      HAMILTON CO                94     V                  38         Chattanooga, TN-GA
      HAYWOOD CO                 88     V                  24         Memphis, TN-AR-MS
      JEFFERSON CO               99     V       H          61         Knoxville, TN
      KNOX CO                   102     V                  76         Knoxville, TN
      LAWRENCE CO                88     V                  33         Florence, AL
      PUTNAM CO                  88     V                  29         E of Nashville
      RUTHERFORD CO              90     V                  21         Nashville, TN
      SEVIER CO                 100     V                  90         Knoxville, TN
      SHELBY CO                  95     V                  42         Memphis, TN-AR-MS
      SULLIVAN CO                91     V                  31         Johnson City-Kingsport-Bristol, TN-VA
      SUMNER CO                 102     V                  69         Nashville, TN
      WILLIAMSON CO              95     V                  39         Nashville, TN
      WILSON CO                  87     V                  22         Nashville, TN

TX    BEXAR CO                   88     V                  16         San Antonio, TX
      BRAZORIA CO                95     V                  18         Houston-Galveston-Brazoria, TX
      BREWSTER CO                65                         0         S of Odessa
      CAMERON CO                 66                         0         Brownsville-Harlingen-San Benito, TX
      COLLIN CO                 101     V                  59         Dallas-Fort Worth, TX
      DALLAS CO                  92     V                  41         Dallas-Fort Worth, TX
      DENTON CO                 100     V                  50         Dallas-Fort Worth, TX
      ELLIS CO                   92     V                  33         Dallas-Fort Worth, TX
      EL PASO CO                 66                         7         El Paso, TX
      GALVESTON CO              109     V                  53         Houston-Galveston-Brazoria, TX
      GREGG CO                  100     V                  44         Longview-Marshall, TX
      HARRIS CO                 118     V                  78         Houston-Galveston-Brazoria, TX
      HIDALGO CO                 70                         0         McAllen-Edinburg-Mission, TX
      JEFFERSON CO               88     V                  16         Beaumont-Port Arthur, TX
      NUECES CO                  81                         5         Corpus Christi, TX
      ORANGE CO                  75                         7         Beaumont-Port Arthur, TX
      SMITH CO                   91     V                  36         Tyler, TX
      TARRANT CO                 99     V                  41         Dallas-Fort Worth, TX
      TRAVIS CO                  88     V                  25         Austin-San Marcos, TX
      VICTORIA CO                79                         5         Victoria, TX
      WEBB CO                    64                         0         Laredo, TX

UT    CACHE CO                   65                         0         Salt Lake City
      DAVIS CO                   84                        11         Salt Lake City-Ogden, UT
      SALT LAKE CO               82                        15         Salt Lake City-Ogden, UT
      SAN JUAN CO                70                         0         Flagstaff/Las Vegas
      UTAH CO                    82                         8         Provo-Orem, UT
      WEBER CO                   79                         5         Salt Lake City-Ogden, UT

VT    BENNINGTON CO              80                         5         Glens Fall/Albany/Springfield
      CHITTENDEN CO              74                         1         Burlington, VT

VA    ARLINGTON CO               97     V                  48         Washington-Baltimore, DC-MD-VA-WV
      CAROLINE CO                92     V                  29         Washington-Baltimore, DC-MD-VA-WV
      CHARLES CITY CO            96     V                  47         Richmond-Petersburg, VA
      CHESTERFIELD CO            91     V                  25         Richmond-Petersburg, VA
      FAIRFAX CO                 96     V                  39         Washington-Baltimore, DC-MD-VA-WV
      FAUQUIER CO                88     V                  24         Washington-Baltimore, DC-MD-VA-WV
      FREDERICK CO               90     V                  19         Washington-Baltimore, DC-MD-VA-WV
      HANOVER CO                 99     V                  55         Richmond-Petersburg, VA
      HENRICO CO                 96     V                  37         Richmond-Petersburg, VA
      LOUDOUN CO                                ** 96      24         Washington-Baltimore, DC-MD-VA-WV
      MADISON CO                 96     V                  43         Washington-Baltimore, DC-MD-VA-WV
      PRINCE WILLIAM CO          91     V                  26         Washington-Baltimore, DC-MD-VA-WV
      ROANOKE CO                 90     V                  21         Roanoke, VA
      STAFFORD CO                91     V                  34         Washington-Baltimore, DC-MD-VA-WV
      WYTHE CO                   84                        11         E of Johnson City
      ALEXANDRIA                 91     V                  25         Washington-Baltimore, DC-MD-VA-WV
VA    HAMPTON                    94     V                  34         Norfolk-Virginia Beach-Newport News, VA-NC
      SUFFOLK                    90     V                  31         Norfolk-Virginia Beach-Newport News, VA-NC

WA    CLALLAM CO                 43                         0         W of Seattle
      CLARK CO                   62                         0         Portland-Salem, OR-WA
      COWLITZ CO                 56                         1         Cowlitz Co, WA
      KING CO                    72                         5         Seattle-Tacoma-Bremerton, WA
      KLICKITAT CO               62                         0         Klickitat Co, WA
      LEWIS CO                   52                         0         Lewis Co, WA
      PIERCE CO                  72                         4         Seattle-Tacoma-Bremerton, WA
      SKAGIT CO                  43                         0         Bellingham/Seattle
      SPOKANE CO                 67                         0         Spokane, WA
      WHATCOM CO                 52                         0         Bellingham, WA

WV    CABELL CO                  95     V                  38         Huntington-Ashland, WV-KY-OH
      GREENBRIER CO              90     V                  18         E of Charleston
      HANCOCK CO                 87     V                  14         Steubenville-Weirton, OH-WV
      KANAWHA CO                 90     V                  26         Charleston, WV
      OHIO CO                    85     V                  15         Wheeling, WV-OH
      WOOD CO                    91     V                  37         Parkersburg-Marietta, WV-OH

WI    BROWN CO                   78                         8         Green Bay, WI
      COLUMBIA CO                78                         6         Madison
      DANE CO                    80                         6         Madison, WI
      DODGE CO                   83                         8         Madison/Milwaukee
      DOOR CO                    97     V                  29         On Lake MI
      FLORENCE CO                75                         6         NE of Wausau
      FOND DU LAC CO             81                         7         Appleton/Sheboygan/Milwaukee
      JEFFERSON CO               85     V                  10         Milwaukee-Racine, WI
      KENOSHA CO                 95     V                  36         Milwaukee-Racine, WI
      KEWAUNEE CO                94     V                  17         Sheboygan, WI
      MANITOWOC CO               97     V                  30         Sheboygan, WI
      MARATHON CO                76                         4         Wausau, WI
      MILWAUKEE CO               91     V                  21         Milwaukee-Racine, WI
      ONEIDA CO                  72                         3         N of Wausau
      OUTAGAMIE CO               79                         9         Appleton-Oshkosh-Neenah, WI
      OZAUKEE CO                 97     V                  29         Milwaukee-Racine, WI
      RACINE CO                  91     V                  14         Milwaukee-Racine, WI
      ROCK CO                    87     V                  16         Janesville-Beloit, WI
      ST CROIX CO                73                         0         Minneapolis-St Paul, MN-WI
      SAUK CO                    78                         5         Madison
      SHEBOYGAN CO               93     V                  21         Sheboygan, WI
      VERNON CO                  72                         2         La Crosse
      VILAS CO                   71                         2         Vilas Co, WI
      WALWORTH CO                85     V                  12         Milwaukee-Racine, WI
      WASHINGTON CO              82                         8         Milwaukee-Racine, WI
      WAUKESHA CO                84                        11         Milwaukee-Racine, WI
      WINNEBAGO CO               80                         7         Appleton-Oshkosh-Neenah, WI

WY    TETON CO                   65                         0         W of Casper

NOTES:

* To facilitate viewing, these design values and annual fourth maximum values are reported in parts per billion (ppb) However, the form of the 8-hour ozone National Ambient Air Quality Standard is parts per million (ppm) and the NAAQS requires reporting of air quality monitoring data in ppm The correct form of the data would actually be presented in ppm based on the form of the 8-hour ozone standard that appears in 40 CFR 5010 For consistency with the NAAQS, all manipulations of air quality data to derive design values and draw conclusions about the status of a location must be performed in ppm

Notes:
H indicates that the design value is based on historical data (1996-98) since 1999 data is incomplete
 
** Indicates county has a 'potential to violate' based on two years of data The actual value for these two years is provided adjacent to the ** No county design values are estimated based on two year potential to violate

*** Number of days greater than or equal to 85 ppb are the total days in 1997-1999 where the maximum 8-hour values are greater than or equal to 85 ppb The county exceedances are based on the site with the maximum number of exceedances for the county The exceedances are based on information in AIRS in April and have not been checked

The Location is a general guide to where the county is located For counties not located in a MSA, they may be adjacent or near to other MSAs besides those listed

V=violating (Design value is greater than 008 ppm)

To open/download as Excel Spreadsheet, click here.

For information concerning this data contact:
James Hemby
Air Quality & Trends Analysis
US EPA
MD-14
Research Triangle Park, NC 27711
(919)541-5459 (voice)
(919)541-1903 (fax)
hembyjames@epagov

 

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