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8-Hr Ozone (2008) Nonattainment Area/State/County Report
As of October 01, 2015| Allentown-Bethlehem-Easton, PA (Marginal) | |
| PENNSYLVANIA (Region III) | |
| Carbon Co | |
| Lehigh Co | |
| Northampton Co | |
| Atlanta, GA (Marginal) | |
| GEORGIA (Region IV) | |
| Bartow Co | |
| Cherokee Co | |
| Clayton Co | |
| Cobb Co | |
| Coweta Co | |
| De Kalb Co | |
| Douglas Co | |
| Fayette Co | |
| Forsyth Co | |
| Fulton Co | |
| Gwinnett Co | |
| Henry Co | |
| Newton Co | |
| Paulding Co | |
| Rockdale Co | |
| Baltimore, MD (Moderate) | |
| MARYLAND (Region III) | |
| Anne Arundel Co | |
| Baltimore (City) | |
| Baltimore Co | |
| Carroll Co | |
| Harford Co | |
| Howard Co | |
| Baton Rouge, LA (Marginal) | |
| LOUISIANA (Region VI) | |
| Ascension Par | |
| East Baton Rouge Par | |
| Iberville Par | |
| Livingston Par | |
| West Baton Rouge Par | |
| Calaveras County, CA (Marginal) | |
| CALIFORNIA (Region IX) | |
| Calaveras Co | |
| Charlotte-Rock Hill, NC-SC (SC portion) (Marginal) | |
| SOUTH CAROLINA (Region IV) | |
| York Co (P) | |
| Chicago-Naperville, IL-IN-WI (Marginal) | |
| ILLINOIS (Region V) | |
| Cook Co | |
| Du Page Co | |
| Grundy Co (P) | |
| Kane Co | |
| Kendall Co (P) | |
| Lake Co | |
| Mc Henry Co | |
| Will Co | |
| INDIANA (Region V) | |
| Lake Co | |
| Porter Co | |
| WISCONSIN (Region V) | |
| Kenosha Co (P) | |
| Chico (Butte County), CA (Marginal) | |
| CALIFORNIA (Region IX) | |
| Butte Co | |
| Cincinnati, OH-KY-IN (Marginal) | |
| INDIANA (Region V) | |
| Dearborn Co (P) | |
Lawrenceburg Township | |
| KENTUCKY (Region IV) | |
| Boone Co (P) | |
| Campbell Co (P) | |
| Kenton Co (P) | |
| OHIO (Region V) | |
| Butler Co | |
| Clermont Co | |
| Clinton Co | |
| Hamilton Co | |
| Warren Co | |
| Cleveland-Akron-Lorain, OH (Marginal) | |
| OHIO (Region V) | |
| Ashtabula Co | |
| Cuyahoga Co | |
| Geauga Co | |
| Lake Co | |
| Lorain Co | |
| Medina Co | |
| Portage Co | |
| Summit Co | |
| Columbus, OH (Marginal) | |
| OHIO (Region V) | |
| Delaware Co | |
| Fairfield Co | |
| Franklin Co | |
| Knox Co | |
| Licking Co | |
| Madison Co | |
| Dallas-Fort Worth, TX (Moderate) | |
| TEXAS (Region VI) | |
| Collin Co | |
| Dallas Co | |
| Denton Co | |
| Ellis Co | |
| Johnson Co | |
| Kaufman Co | |
| Parker Co | |
| Rockwall Co | |
| Tarrant Co | |
| Wise Co | |
| Denver-Boulder-Greeley-Ft. Collins-Loveland, CO (Marginal) | |
| COLORADO (Region VIII) | |
| Adams Co | |
| Arapahoe Co | |
| Boulder Co | |
| Broomfield Co | |
| Denver Co | |
| Douglas Co | |
| Jefferson Co | |
| Larimer Co (P) | |
| Weld Co (P) | |
| Dukes County, MA (Marginal) | |
| MASSACHUSETTS (Region I) | |
| Dukes Co | |
| Greater Connecticut, CT (Marginal) | |
| CONNECTICUT (Region I) | |
| Hartford Co | |
| Litchfield Co | |
| New London Co | |
| Tolland Co | |
| Windham Co | |
| Houston-Galveston-Brazoria, TX (Marginal) | |
| TEXAS (Region VI) | |
| Brazoria Co | |
| Chambers Co | |
| Fort Bend Co | |
| Galveston Co | |
| Harris Co | |
| Liberty Co | |
| Montgomery Co | |
| Waller Co | |
| Imperial County, CA (Marginal) | |
| CALIFORNIA (Region IX) | |
| Imperial Co | |
| Jamestown, NY (Marginal) | |
| NEW YORK (Region II) | |
| Chautauqua Co | |
| Kern Co (Eastern Kern), CA (Marginal) | |
| CALIFORNIA (Region IX) | |
| Kern Co (P) | |
| Lancaster, PA (Marginal) | |
| PENNSYLVANIA (Region III) | |
| Lancaster Co | |
| Los Angeles-San Bernardino Counties (West Mojave Desert), CA (Severe 15) | |
| CALIFORNIA (Region IX) | |
| Los Angeles Co (P) | |
| San Bernardino Co (P) | |
| Los Angeles-South Coast Air Basin, CA (Extreme) | |
| CALIFORNIA (Region IX) | |
| Los Angeles Co (P) | |
| Orange Co | |
| Riverside Co (P) | |
| San Bernardino Co (P) | |
| Mariposa County, CA (Marginal) | |
| CALIFORNIA (Region IX) | |
| Mariposa Co | |
| Memphis, TN-MS-AR (Marginal) | |
| ARKANSAS (Region VI) | |
| Crittenden Co | |
| MISSISSIPPI (Region IV) | |
| De Soto Co (P) | |
Portion along MPO Lines | |
| TENNESSEE (Region IV) | |
| Shelby Co | |
| Morongo Band of Mission Indians (Serious) | |
| CALIFORNIA (Region IX) | |
| Morongo Band of Mission Indians | |
| Nevada Co. (Western part), CA (Marginal) | |
| CALIFORNIA (Region IX) | |
| Nevada Co (P) | |
| New York-N. New Jersey-Long Island, NY-NJ-CT (Marginal) | |
| CONNECTICUT (Region I) | |
| Fairfield Co | |
| Middlesex Co | |
| New Haven Co | |
| NEW JERSEY (Region II) | |
| Bergen Co | |
| Essex Co | |
| Hudson Co | |
| Hunterdon Co | |
| Middlesex Co | |
| Monmouth Co | |
| Morris Co | |
| Passaic Co | |
| Somerset Co | |
| Sussex Co | |
| Union Co | |
| Warren Co | |
| NEW YORK (Region II) | |
| Bronx Co | |
| Kings Co | |
| Nassau Co | |
| New York Co | |
| Queens Co | |
| Richmond Co | |
| Rockland Co | |
| Suffolk Co | |
| Westchester Co | |
| Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation (Moderate) | |
| CALIFORNIA (Region IX) | |
| Pechanga Band of Luiseno Mission Indians | |
| Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE (Marginal) | |
| DELAWARE (Region III) | |
| New Castle Co | |
| MARYLAND (Region III) | |
| Cecil Co | |
| NEW JERSEY (Region II) | |
| Atlantic Co | |
| Burlington Co | |
| Camden Co | |
| Cape May Co | |
| Cumberland Co | |
| Gloucester Co | |
| Mercer Co | |
| Ocean Co | |
| Salem Co | |
| PENNSYLVANIA (Region III) | |
| Bucks Co | |
| Chester Co | |
| Delaware Co | |
| Montgomery Co | |
| Philadelphia Co | |
| Phoenix-Mesa, AZ (Marginal) | |
| ARIZONA (Region IX) | |
| Maricopa Co (P) | |
| Pinal Co (P) | |
| Pittsburgh-Beaver Valley, PA (Marginal) | |
| PENNSYLVANIA (Region III) | |
| Allegheny Co | |
| Armstrong Co | |
| Beaver Co | |
| Butler Co | |
| Fayette Co | |
| Washington Co | |
| Westmoreland Co | |
| Reading, PA (Marginal) | |
| PENNSYLVANIA (Region III) | |
| Berks Co | |
| Riverside Co, (Coachella Valley), CA (Severe 15) | |
| CALIFORNIA (Region IX) | |
| Riverside Co (P) | |
| Sacramento Metro, CA (Severe 15) | |
| CALIFORNIA (Region IX) | |
| El Dorado Co (P) | |
| Placer Co (P) | |
| Sacramento Co | |
| Solano Co (P) | |
| Sutter Co (P) | |
| Yolo Co | |
| San Diego County, CA (Marginal) | |
| CALIFORNIA (Region IX) | |
| San Diego Co (P) | |
| San Francisco Bay Area, CA (Marginal) | |
| CALIFORNIA (Region IX) | |
| Alameda Co | |
| Contra Costa Co | |
| Marin Co | |
| Napa Co | |
| San Francisco Co | |
| San Mateo Co | |
| Santa Clara Co | |
| Solano Co (P) | |
| Sonoma Co (P) | |
| San Joaquin Valley, CA (Extreme) | |
| CALIFORNIA (Region IX) | |
| Fresno Co | |
| Kern Co (P) | |
| Kings Co | |
| Madera Co | |
| Merced Co | |
| San Joaquin Co | |
| Stanislaus Co | |
| Tulare Co | |
| San Luis Obispo (Eastern San Luis Obispo), CA (Marginal) | |
| CALIFORNIA (Region IX) | |
| San Luis Obispo Co (P) | |
| Seaford, DE (Marginal) | |
| DELAWARE (Region III) | |
| Sussex Co | |
| Sheboygan County, WI (Marginal) | |
| WISCONSIN (Region V) | |
| Sheboygan Co | |
| St. Louis-St. Charles-Farmington, MO-IL (Marginal) | |
| ILLINOIS (Region V) | |
| Madison Co | |
| Monroe Co | |
| St Clair Co | |
| MISSOURI (Region VII) | |
| Franklin Co | |
| Jefferson Co | |
| St Charles Co | |
| St Louis | |
| St Louis Co | |
| Tuscan Buttes, CA (Marginal) | |
| CALIFORNIA (Region IX) | |
| Tehama Co (P) | |
| Upper Green River Basin Area, WY (Marginal) | |
| WYOMING (Region VIII) | |
| Lincoln Co (P) | |
| Sublette Co | |
| Sweetwater Co (P) | |
| Ventura County, CA (Serious) | |
| CALIFORNIA (Region IX) | |
| Ventura Co (P) | |
| Washington, DC-MD-VA (Marginal) | |
| DISTRICT OF COLUMBIA (Region III) | |
| Entire District | |
| MARYLAND (Region III) | |
| Calvert Co | |
| Charles Co | |
| Frederick Co | |
| Montgomery Co | |
| Prince George's Co | |
| VIRGINIA (Region III) | |
| Alexandria | |
| Arlington Co | |
| Fairfax | |
| Fairfax Co | |
| Falls Church | |
| Loudoun Co | |
| Manassas | |
| Manassas Park | |
| Prince William Co | |
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