Listed by State, County, NAAQS * Part County NA NA Area Name (Classification, if applicable)
|
| ALASKA |
| Fairbanks North Star Borough |
| PM-2.5 (2006) |
* |
Fairbanks, AK - (Serious) |
|
| ARIZONA |
| Cochise County |
| PM-10 (1987) |
* |
Cochise County; Paul Spur/Douglas planning area, AZ - (Moderate) |
|
| Gila County |
| Lead (2008) |
* |
Hayden, AZ |
| PM-10 (1987) |
* |
Hayden, AZ - (Moderate) |
| PM-10 (1987) |
* |
Miami, AZ - (Moderate) |
| Sulfur Dioxide (2010) |
* |
Hayden, AZ |
| Sulfur Dioxide (2010) |
* |
Miami, AZ |
| 8-Hour Ozone (2015) |
* |
Phoenix-Mesa, AZ - (Moderate) |
|
| Maricopa County |
| PM-10 (1987) |
* |
Maricopa and Pinal Counties; Phoenix planning area, AZ - (Serious) |
| 8-Hour Ozone (2008) |
* |
Phoenix-Mesa, AZ - (Moderate) |
| 8-Hour Ozone (2015) |
* |
Phoenix-Mesa, AZ - (Moderate) |
|
| Pima County |
| PM-10 (1987) |
* |
Pima County; Rillito planning area, AZ - (Moderate) |
|
| Pinal County |
| Lead (2008) |
* |
Hayden, AZ |
| PM-10 (1987) |
* |
Hayden, AZ - (Moderate) |
| PM-10 (1987) |
* |
Maricopa and Pinal Counties; Phoenix planning area, AZ - (Serious) |
| PM-10 (1987) |
* |
Miami, AZ - (Moderate) |
| PM-10 (1987) |
* |
Pinal County (part); West Pinal, AZ - (Serious) |
| PM-2.5 (2006) |
* |
West Central Pinal, AZ - (Moderate) |
| Sulfur Dioxide (1971) |
* |
Hayden (Pinal County), AZ |
| Sulfur Dioxide (2010) |
* |
Hayden, AZ |
| 8-Hour Ozone (2008) |
* |
Phoenix-Mesa, AZ - (Moderate) |
| 8-Hour Ozone (2015) |
* |
Phoenix-Mesa, AZ - (Moderate) |
|
| Santa Cruz County |
| PM-10 (1987) |
* |
Santa Cruz County; Nogales planning area, AZ - (Moderate) |
|
| Yuma County |
| PM-10 (1987) |
* |
Yuma, AZ - (Moderate) |
| 8-Hour Ozone (2015) |
* |
Yuma, AZ - (Marginal) |
|
| CALIFORNIA |
| Alameda County |
| PM-2.5 (2006) |
|
San Francisco Bay Area, CA - (Moderate) |
| 8-Hour Ozone (2008) |
|
San Francisco Bay Area, CA - (Marginal) |
| 8-Hour Ozone (2015) |
|
San Francisco Bay Area, CA - (Marginal) |
|
| Amador County |
| 8-Hour Ozone (2015) |
|
Amador County, CA - (Marginal) |
|
| Butte County |
| 8-Hour Ozone (2008) |
|
Chico (Butte County), CA - (Marginal) |
| 8-Hour Ozone (2015) |
|
Butte County, CA - (Marginal) |
|
| Calaveras County |
| 8-Hour Ozone (2008) |
|
Calaveras County, CA - (Marginal) |
| 8-Hour Ozone (2015) |
|
Calaveras County, CA - (Marginal) |
|
| Contra Costa County |
| PM-2.5 (2006) |
|
San Francisco Bay Area, CA - (Moderate) |
| 8-Hour Ozone (2008) |
|
San Francisco Bay Area, CA - (Marginal) |
| 8-Hour Ozone (2015) |
|
San Francisco Bay Area, CA - (Marginal) |
|
| El Dorado County |
| PM-2.5 (2006) |
* |
Sacramento, CA - (Moderate) |
| 8-Hour Ozone (2008) |
* |
Sacramento Metro, CA - (Severe 15) |
| 8-Hour Ozone (2015) |
* |
Sacramento Metro, CA - (Serious) |
|
| Fresno County |
| PM-2.5 (1997) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2006) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2012) |
|
San Joaquin Valley, CA - (Serious) |
| 8-Hour Ozone (2008) |
|
San Joaquin Valley, CA - (Extreme) |
| 8-Hour Ozone (2015) |
|
San Joaquin Valley, CA - (Extreme) |
|
| Imperial County |
| PM-2.5 (2006) |
* |
Imperial County, CA - (Moderate) |
| PM-2.5 (2012) |
* |
Imperial County, CA - (Moderate) |
| 8-Hour Ozone (2008) |
|
Imperial County, CA - (Moderate) |
| 8-Hour Ozone (2015) |
|
Imperial County, CA - (Marginal) |
|
| Inyo County |
| PM-10 (1987) |
* |
Inyo County; Owens Valley planning area, CA - (Serious) |
|
| Kern County |
| PM-10 (1987) |
* |
East Kern County, CA - (Serious) |
| PM-2.5 (1997) |
* |
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2006) |
* |
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2012) |
* |
San Joaquin Valley, CA - (Serious) |
| 8-Hour Ozone (2008) |
* |
Kern County (Eastern Kern), CA - (Severe 15) |
| 8-Hour Ozone (2008) |
* |
San Joaquin Valley, CA - (Extreme) |
| 8-Hour Ozone (2015) |
* |
Kern County (Eastern Kern), CA - (Serious) |
| 8-Hour Ozone (2015) |
* |
San Joaquin Valley, CA - (Extreme) |
|
| Kings County |
| PM-2.5 (1997) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2006) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2012) |
|
San Joaquin Valley, CA - (Serious) |
| 8-Hour Ozone (2008) |
|
San Joaquin Valley, CA - (Extreme) |
| 8-Hour Ozone (2015) |
|
San Joaquin Valley, CA - (Extreme) |
|
| Los Angeles County |
| Lead (2008) |
* |
Los Angeles County-South Coast Air Basin, CA |
| PM-2.5 (1997) |
* |
Los Angeles-South Coast Air Basin, CA - (Moderate) |
| PM-2.5 (2006) |
* |
Los Angeles-South Coast Air Basin, CA - (Serious) |
| PM-2.5 (2012) |
* |
Los Angeles-South Coast Air Basin, CA - (Serious) |
| 8-Hour Ozone (2008) |
* |
Los Angeles-San Bernardino Counties (West Mojave Desert), CA - (Severe 15) |
| 8-Hour Ozone (2008) |
* |
Los Angeles-South Coast Air Basin, CA - (Extreme) |
| 8-Hour Ozone (2015) |
* |
Los Angeles-San Bernardino Counties (West Mojave Desert), CA - (Severe 15) |
| 8-Hour Ozone (2015) |
* |
Los Angeles-South Coast Air Basin, CA - (Extreme) |
|
| Madera County |
| PM-2.5 (1997) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2006) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2012) |
|
San Joaquin Valley, CA - (Serious) |
| 8-Hour Ozone (2008) |
|
San Joaquin Valley, CA - (Extreme) |
| 8-Hour Ozone (2015) |
|
San Joaquin Valley, CA - (Extreme) |
|
| Marin County |
| PM-2.5 (2006) |
|
San Francisco Bay Area, CA - (Moderate) |
| 8-Hour Ozone (2008) |
|
San Francisco Bay Area, CA - (Marginal) |
| 8-Hour Ozone (2015) |
|
San Francisco Bay Area, CA - (Marginal) |
|
| Mariposa County |
| 8-Hour Ozone (2008) |
|
Mariposa County, CA - (Moderate) |
| 8-Hour Ozone (2015) |
|
Mariposa County, CA - (Moderate) |
|
| Merced County |
| PM-2.5 (1997) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2006) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2012) |
|
San Joaquin Valley, CA - (Serious) |
| 8-Hour Ozone (2008) |
|
San Joaquin Valley, CA - (Extreme) |
| 8-Hour Ozone (2015) |
|
San Joaquin Valley, CA - (Extreme) |
|
| Mono County |
| PM-10 (1987) |
* |
Mono Basin, CA - (Moderate) |
|
| Napa County |
| PM-2.5 (2006) |
|
San Francisco Bay Area, CA - (Moderate) |
| 8-Hour Ozone (2008) |
|
San Francisco Bay Area, CA - (Marginal) |
| 8-Hour Ozone (2015) |
|
San Francisco Bay Area, CA - (Marginal) |
|
| Nevada County |
| 8-Hour Ozone (2008) |
* |
Nevada County (Western part), CA - (Serious) |
| 8-Hour Ozone (2015) |
* |
Nevada County (Western part), CA - (Serious) |
|
| Orange County |
| PM-2.5 (1997) |
|
Los Angeles-South Coast Air Basin, CA - (Moderate) |
| PM-2.5 (2006) |
|
Los Angeles-South Coast Air Basin, CA - (Serious) |
| PM-2.5 (2012) |
|
Los Angeles-South Coast Air Basin, CA - (Serious) |
| 8-Hour Ozone (2008) |
|
Los Angeles-South Coast Air Basin, CA - (Extreme) |
| 8-Hour Ozone (2015) |
|
Los Angeles-South Coast Air Basin, CA - (Extreme) |
|
| Placer County |
| PM-2.5 (2006) |
* |
Sacramento, CA - (Moderate) |
| 8-Hour Ozone (2008) |
* |
Sacramento Metro, CA - (Severe 15) |
| 8-Hour Ozone (2015) |
* |
Sacramento Metro, CA - (Serious) |
|
| Plumas County |
| PM-2.5 (2012) |
* |
Plumas County, CA - (Serious) |
|
| Riverside County |
| PM-10 (1987) |
* |
Riverside County; Coachella Valley planning area, CA - (Serious) |
| PM-2.5 (1997) |
* |
Los Angeles-South Coast Air Basin, CA - (Moderate) |
| PM-2.5 (2006) |
* |
Los Angeles-South Coast Air Basin, CA - (Serious) |
| PM-2.5 (2012) |
* |
Los Angeles-South Coast Air Basin, CA - (Serious) |
| 8-Hour Ozone (2008) |
* |
Los Angeles-South Coast Air Basin, CA - (Extreme) |
| 8-Hour Ozone (2008) |
* |
Morongo Band of Mission Indians, CA - (Severe 15) |
| 8-Hour Ozone (2008) |
* |
Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA - (Moderate) |
| 8-Hour Ozone (2008) |
* |
Riverside County (Coachella Valley), CA - (Extreme) |
| 8-Hour Ozone (2015) |
* |
Los Angeles-South Coast Air Basin, CA - (Extreme) |
| 8-Hour Ozone (2015) |
* |
Morongo Band of Mission Indians, CA - (Serious) |
| 8-Hour Ozone (2015) |
* |
Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA - (Moderate) |
| 8-Hour Ozone (2015) |
* |
Riverside County (Coachella Valley), CA - (Severe 15) |
|
| Sacramento County |
| PM-2.5 (2006) |
|
Sacramento, CA - (Moderate) |
| 8-Hour Ozone (2008) |
|
Sacramento Metro, CA - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Sacramento Metro, CA - (Serious) |
|
| San Bernardino County |
| PM-10 (1987) |
* |
San Bernardino County, CA - (Moderate) |
| PM-10 (1987) |
* |
Trona, CA - (Moderate) |
| PM-2.5 (1997) |
* |
Los Angeles-South Coast Air Basin, CA - (Moderate) |
| PM-2.5 (2006) |
* |
Los Angeles-South Coast Air Basin, CA - (Serious) |
| PM-2.5 (2012) |
* |
Los Angeles-South Coast Air Basin, CA - (Serious) |
| 8-Hour Ozone (2008) |
* |
Los Angeles-San Bernardino Counties (West Mojave Desert), CA - (Severe 15) |
| 8-Hour Ozone (2008) |
* |
Los Angeles-South Coast Air Basin, CA - (Extreme) |
| 8-Hour Ozone (2015) |
* |
Los Angeles-San Bernardino Counties (West Mojave Desert), CA - (Severe 15) |
| 8-Hour Ozone (2015) |
* |
Los Angeles-South Coast Air Basin, CA - (Extreme) |
|
| San Diego County |
| 8-Hour Ozone (2008) |
* |
Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA - (Moderate) |
| 8-Hour Ozone (2008) |
* |
San Diego County, CA - (Severe 15) |
| 8-Hour Ozone (2015) |
* |
Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA - (Moderate) |
| 8-Hour Ozone (2015) |
* |
San Diego County, CA - (Severe 15) |
|
| San Francisco County |
| PM-2.5 (2006) |
|
San Francisco Bay Area, CA - (Moderate) |
| 8-Hour Ozone (2008) |
|
San Francisco Bay Area, CA - (Marginal) |
| 8-Hour Ozone (2015) |
|
San Francisco Bay Area, CA - (Marginal) |
|
| San Joaquin County |
| PM-2.5 (1997) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2006) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2012) |
|
San Joaquin Valley, CA - (Serious) |
| 8-Hour Ozone (2008) |
|
San Joaquin Valley, CA - (Extreme) |
| 8-Hour Ozone (2015) |
|
San Joaquin Valley, CA - (Extreme) |
|
| San Luis Obispo County |
| 8-Hour Ozone (2008) |
* |
San Luis Obispo (Eastern San Luis Obispo), CA - (Marginal) |
| 8-Hour Ozone (2015) |
* |
San Luis Obispo (Eastern part), CA - (Marginal) |
|
| San Mateo County |
| PM-2.5 (2006) |
|
San Francisco Bay Area, CA - (Moderate) |
| 8-Hour Ozone (2008) |
|
San Francisco Bay Area, CA - (Marginal) |
| 8-Hour Ozone (2015) |
|
San Francisco Bay Area, CA - (Marginal) |
|
| Santa Clara County |
| PM-2.5 (2006) |
|
San Francisco Bay Area, CA - (Moderate) |
| 8-Hour Ozone (2008) |
|
San Francisco Bay Area, CA - (Marginal) |
| 8-Hour Ozone (2015) |
|
San Francisco Bay Area, CA - (Marginal) |
|
| Solano County |
| PM-2.5 (2006) |
* |
Sacramento, CA - (Moderate) |
| PM-2.5 (2006) |
* |
San Francisco Bay Area, CA - (Moderate) |
| 8-Hour Ozone (2008) |
* |
Sacramento Metro, CA - (Severe 15) |
| 8-Hour Ozone (2008) |
* |
San Francisco Bay Area, CA - (Marginal) |
| 8-Hour Ozone (2015) |
* |
Sacramento Metro, CA - (Serious) |
| 8-Hour Ozone (2015) |
* |
San Francisco Bay Area, CA - (Marginal) |
|
| Sonoma County |
| PM-2.5 (2006) |
* |
San Francisco Bay Area, CA - (Moderate) |
| 8-Hour Ozone (2008) |
* |
San Francisco Bay Area, CA - (Marginal) |
| 8-Hour Ozone (2015) |
* |
San Francisco Bay Area, CA - (Marginal) |
|
| Stanislaus County |
| PM-2.5 (1997) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2006) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2012) |
|
San Joaquin Valley, CA - (Serious) |
| 8-Hour Ozone (2008) |
|
San Joaquin Valley, CA - (Extreme) |
| 8-Hour Ozone (2015) |
|
San Joaquin Valley, CA - (Extreme) |
|
| Sutter County |
| 8-Hour Ozone (2008) |
* |
Sacramento Metro, CA - (Severe 15) |
| 8-Hour Ozone (2015) |
* |
Sacramento Metro, CA - (Serious) |
| 8-Hour Ozone (2015) |
* |
Sutter Buttes, CA - (Marginal) |
|
| Tehama County |
| 8-Hour Ozone (2008) |
* |
Tuscan Buttes, CA - (Marginal) |
| 8-Hour Ozone (2015) |
* |
Tuscan Buttes, CA - (Marginal (Rural Transport)) |
|
| Tulare County |
| PM-2.5 (1997) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2006) |
|
San Joaquin Valley, CA - (Serious) |
| PM-2.5 (2012) |
|
San Joaquin Valley, CA - (Serious) |
| 8-Hour Ozone (2008) |
|
San Joaquin Valley, CA - (Extreme) |
| 8-Hour Ozone (2015) |
|
San Joaquin Valley, CA - (Extreme) |
|
| Tuolumne County |
| 8-Hour Ozone (2015) |
|
Tuolumne County, CA - (Marginal) |
|
| Ventura County |
| 8-Hour Ozone (2008) |
* |
Ventura County, CA - (Serious) |
| 8-Hour Ozone (2015) |
* |
Ventura County, CA - (Serious) |
|
| Yolo County |
| PM-2.5 (2006) |
* |
Sacramento, CA - (Moderate) |
| 8-Hour Ozone (2008) |
|
Sacramento Metro, CA - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Sacramento Metro, CA - (Serious) |
|
| COLORADO |
| Adams County |
| 8-Hour Ozone (2008) |
|
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Denver Metro/North Front Range, CO - (Serious) |
|
| Arapahoe County |
| 8-Hour Ozone (2008) |
|
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Denver Metro/North Front Range, CO - (Serious) |
|
| Boulder County |
| 8-Hour Ozone (2008) |
|
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Denver Metro/North Front Range, CO - (Serious) |
|
| Broomfield County |
| 8-Hour Ozone (2008) |
|
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Denver Metro/North Front Range, CO - (Serious) |
|
| Denver County |
| 8-Hour Ozone (2008) |
|
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Denver Metro/North Front Range, CO - (Serious) |
|
| Douglas County |
| 8-Hour Ozone (2008) |
|
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Denver Metro/North Front Range, CO - (Serious) |
|
| Jefferson County |
| 8-Hour Ozone (2008) |
|
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Denver Metro/North Front Range, CO - (Serious) |
|
| Larimer County |
| 8-Hour Ozone (2008) |
* |
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) |
| 8-Hour Ozone (2015) |
* |
Denver Metro/North Front Range, CO - (Serious) |
|
| Weld County |
| 8-Hour Ozone (2008) |
* |
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Denver Metro/North Front Range, CO - (Serious) |
|
| CONNECTICUT |
| Fairfield County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Hartford County |
| 8-Hour Ozone (2008) |
|
Greater Connecticut, CT - (Serious) |
| 8-Hour Ozone (2015) |
|
Greater Connecticut, CT - (Serious) |
|
| Litchfield County |
| 8-Hour Ozone (2008) |
|
Greater Connecticut, CT - (Serious) |
| 8-Hour Ozone (2015) |
|
Greater Connecticut, CT - (Serious) |
|
| Middlesex County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| New Haven County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| New London County |
| 8-Hour Ozone (2008) |
|
Greater Connecticut, CT - (Serious) |
| 8-Hour Ozone (2015) |
|
Greater Connecticut, CT - (Serious) |
|
| Tolland County |
| 8-Hour Ozone (2008) |
|
Greater Connecticut, CT - (Serious) |
| 8-Hour Ozone (2015) |
|
Greater Connecticut, CT - (Serious) |
|
| Windham County |
| 8-Hour Ozone (2008) |
|
Greater Connecticut, CT - (Serious) |
| 8-Hour Ozone (2015) |
|
Greater Connecticut, CT - (Serious) |
|
| DELAWARE |
| New Castle County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Sussex County |
| 8-Hour Ozone (2008) |
|
Seaford, DE - (Marginal) |
|
| DISTRICT OF COLUMBIA |
| District of Columbia |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| GUAM |
| Guam |
| Sulfur Dioxide (1971) |
* |
Piti, GU |
| Sulfur Dioxide (1971) |
* |
Tanguisson, GU |
| Sulfur Dioxide (2010) |
* |
Piti-Cabras, GU |
|
| IDAHO |
| Bannock County |
| PM-10 (1987) |
* |
Power-Bannock Counties; Fort Hall Indian Reservation, ID - (Moderate) |
|
| Power County |
| PM-10 (1987) |
* |
Power-Bannock Counties; Fort Hall Indian Reservation, ID - (Moderate) |
|
| ILLINOIS |
| Cook County |
| 8-Hour Ozone (2015) |
|
Chicago, IL-IN-WI - (Moderate) |
|
| DuPage County |
| 8-Hour Ozone (2015) |
|
Chicago, IL-IN-WI - (Moderate) |
|
| Grundy County |
| 8-Hour Ozone (2015) |
* |
Chicago, IL-IN-WI - (Moderate) |
|
| Kane County |
| 8-Hour Ozone (2015) |
|
Chicago, IL-IN-WI - (Moderate) |
|
| Kendall County |
| 8-Hour Ozone (2015) |
* |
Chicago, IL-IN-WI - (Moderate) |
|
| Lake County |
| 8-Hour Ozone (2015) |
|
Chicago, IL-IN-WI - (Moderate) |
|
| Madison County |
| Sulfur Dioxide (2010) |
* |
Alton Township, IL |
| 8-Hour Ozone (2015) |
|
St. Louis, MO-IL - (Moderate) |
|
| McHenry County |
| 8-Hour Ozone (2015) |
|
Chicago, IL-IN-WI - (Moderate) |
|
| Monroe County |
| 8-Hour Ozone (2015) |
|
St. Louis, MO-IL - (Moderate) |
|
| St. Clair County |
| 8-Hour Ozone (2015) |
|
St. Louis, MO-IL - (Moderate) |
|
| Will County |
| 8-Hour Ozone (2015) |
|
Chicago, IL-IN-WI - (Moderate) |
|
| INDIANA |
| Huntington County |
| Sulfur Dioxide (2010) |
* |
Huntington, IN |
|
| Lake County |
| 8-Hour Ozone (2015) |
* |
Chicago, IL-IN-WI - (Moderate) |
|
| Porter County |
| 8-Hour Ozone (2015) |
* |
Chicago, IL-IN-WI - (Moderate) |
|
| IOWA |
| Muscatine County |
| Sulfur Dioxide (2010) |
* |
Muscatine, IA |
|
| KANSAS |
| Saline County |
| Lead (2008) |
* |
Saline County, KS |
|
| KENTUCKY |
| Bullitt County |
| 8-Hour Ozone (2015) |
|
Louisville, KY-IN - (Moderate) |
|
| Henderson County |
| Sulfur Dioxide (2010) |
* |
Henderson-Webster Counties, KY |
|
| Jefferson County |
| 8-Hour Ozone (2015) |
|
Louisville, KY-IN - (Moderate) |
|
| Oldham County |
| 8-Hour Ozone (2015) |
|
Louisville, KY-IN - (Moderate) |
|
| Webster County |
| Sulfur Dioxide (2010) |
* |
Henderson-Webster Counties, KY |
|
| LOUISIANA |
| Evangeline Parish |
| Sulfur Dioxide (2010) |
* |
Evangeline Parish (Partial), LA |
|
| St. Bernard Parish |
| Sulfur Dioxide (2010) |
|
St. Bernard Parish, LA |
|
| MARYLAND |
| Anne Arundel County |
| Sulfur Dioxide (2010) |
* |
Anne Arundel County and Baltimore County, MD |
| 8-Hour Ozone (2008) |
|
Baltimore, MD - (Moderate) |
| 8-Hour Ozone (2015) |
|
Baltimore, MD - (Serious) |
|
| Baltimore County |
| Sulfur Dioxide (2010) |
* |
Anne Arundel County and Baltimore County, MD |
| 8-Hour Ozone (2008) |
|
Baltimore, MD - (Moderate) |
| 8-Hour Ozone (2015) |
|
Baltimore, MD - (Serious) |
|
| Baltimore city |
| 8-Hour Ozone (2008) |
|
Baltimore, MD - (Moderate) |
| 8-Hour Ozone (2015) |
|
Baltimore, MD - (Serious) |
|
| Calvert County |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| Carroll County |
| 8-Hour Ozone (2008) |
|
Baltimore, MD - (Moderate) |
| 8-Hour Ozone (2015) |
|
Baltimore, MD - (Serious) |
|
| Cecil County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Charles County |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| Frederick County |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| Harford County |
| 8-Hour Ozone (2008) |
|
Baltimore, MD - (Moderate) |
| 8-Hour Ozone (2015) |
|
Baltimore, MD - (Serious) |
|
| Howard County |
| 8-Hour Ozone (2008) |
|
Baltimore, MD - (Moderate) |
| 8-Hour Ozone (2015) |
|
Baltimore, MD - (Serious) |
|
| Montgomery County |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| Prince George's County |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| MASSACHUSETTS |
| Dukes County |
| 8-Hour Ozone (2008) |
|
Dukes County, MA - (Marginal) |
|
| MICHIGAN |
| Allegan County |
| 8-Hour Ozone (2015) |
* |
Allegan County, MI - (Moderate) |
|
| Berrien County |
| 8-Hour Ozone (2015) |
|
Berrien County, MI - (Moderate) |
|
| Muskegon County |
| 8-Hour Ozone (2015) |
* |
Muskegon County, MI - (Moderate) |
|
| St. Clair County |
| Sulfur Dioxide (2010) |
* |
St. Clair, MI |
|
| Wayne County |
| Sulfur Dioxide (2010) |
* |
Detroit, MI |
|
| MINNESOTA |
| Dakota County |
| Lead (2008) |
* |
Eagan, MN |
|
| MISSOURI |
| Dent County |
| Lead (2008) |
* |
Iron, Dent, and Reynolds Counties, MO |
|
| Franklin County |
| 8-Hour Ozone (2015) |
* |
St. Louis, MO-IL - (Moderate) |
|
| Iron County |
| Lead (2008) |
* |
Iron, Dent, and Reynolds Counties, MO |
|
| Jefferson County |
| Lead (1978) |
* |
Jefferson County (part); Herculaneum, MO |
| Lead (2008) |
* |
Jefferson County, MO |
| 8-Hour Ozone (2015) |
|
St. Louis, MO-IL - (Moderate) |
|
| New Madrid County |
| Sulfur Dioxide (2010) |
* |
New Madrid County, MO |
|
| Reynolds County |
| Lead (2008) |
* |
Iron, Dent, and Reynolds Counties, MO |
|
| St. Charles County |
| 8-Hour Ozone (2015) |
|
St. Louis, MO-IL - (Moderate) |
|
| St. Louis County |
| 8-Hour Ozone (2015) |
|
St. Louis, MO-IL - (Moderate) |
|
| St. Louis city |
| 8-Hour Ozone (2015) |
|
St. Louis, MO-IL - (Moderate) |
|
| MONTANA |
| Lake County |
| PM-10 (1987) |
* |
Lake County; Polson, MT - (Moderate) |
| PM-10 (1987) |
* |
Lake County; Ronan, MT - (Moderate) |
|
| Rosebud County |
| PM-10 (1987) |
* |
Rosebud County; Lame Deer, MT - (Moderate) |
|
| Yellowstone County |
| Sulfur Dioxide (1971) |
* |
Laurel Area (Yellowstone County), MT |
|
| NEVADA |
| Clark County |
| 8-Hour Ozone (2015) |
* |
Las Vegas, NV - (Moderate) |
|
| NEW JERSEY |
| Atlantic County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Bergen County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Burlington County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Camden County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Cape May County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Cumberland County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Essex County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Gloucester County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Hudson County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Hunterdon County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Mercer County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Middlesex County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Monmouth County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Morris County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Ocean County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Passaic County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Salem County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Somerset County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Sussex County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Union County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Warren County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| NEW MEXICO |
| Dona Ana County |
| PM-10 (1987) |
* |
Dona Ana County; Anthony, NM - (Moderate) |
| 8-Hour Ozone (2015) |
* |
El Paso-Las Cruces, TX-NM - (Marginal) |
|
| NEW YORK |
| Bronx County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Chautauqua County |
| 8-Hour Ozone (2008) |
|
Jamestown, NY - (Marginal) |
|
| Kings County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Nassau County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| New York County |
| PM-10 (1987) |
|
New York County, NY - (Moderate) |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Queens County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Richmond County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Rockland County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| St. Lawrence County |
| Sulfur Dioxide (2010) |
* |
St. Lawrence County, NY |
|
| Suffolk County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| Westchester County |
| 8-Hour Ozone (2008) |
|
New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) |
| 8-Hour Ozone (2015) |
|
New York-Northern New Jersey-Long Island, NY-NJ-CT - (Serious) |
|
| OHIO |
| Cuyahoga County |
| 8-Hour Ozone (2015) |
|
Cleveland, OH - (Moderate) |
|
| Geauga County |
| 8-Hour Ozone (2015) |
|
Cleveland, OH - (Moderate) |
|
| Lake County |
| 8-Hour Ozone (2015) |
|
Cleveland, OH - (Moderate) |
|
| Lorain County |
| 8-Hour Ozone (2015) |
|
Cleveland, OH - (Moderate) |
|
| Medina County |
| 8-Hour Ozone (2015) |
|
Cleveland, OH - (Moderate) |
|
| Morgan County |
| Sulfur Dioxide (2010) |
* |
Muskingum River, OH |
|
| Portage County |
| 8-Hour Ozone (2015) |
|
Cleveland, OH - (Moderate) |
|
| Stark County |
| Lead (2008) |
* |
Canton-Stark County, OH |
|
| Summit County |
| 8-Hour Ozone (2015) |
|
Cleveland, OH - (Moderate) |
|
| Washington County |
| Sulfur Dioxide (2010) |
* |
Muskingum River, OH |
|
| OREGON |
| Klamath County |
| PM-2.5 (2006) |
* |
Klamath Falls, OR - (Moderate) |
|
| PENNSYLVANIA |
| Allegheny County |
| PM-2.5 (1997) |
* |
Liberty-Clairton, PA - (Moderate) |
| PM-2.5 (2006) |
* |
Liberty-Clairton, PA - (Moderate) |
| PM-2.5 (2012) |
|
Allegheny County, PA - (Moderate) |
| Sulfur Dioxide (2010) |
* |
Allegheny, PA |
| 8-Hour Ozone (2008) |
|
Pittsburgh-Beaver Valley, PA - (Marginal) |
|
| Armstrong County |
| Sulfur Dioxide (1971) |
* |
Armstrong County: Madison, Mahoning, Boggs, Washington, Pine, PA |
| Sulfur Dioxide (2010) |
* |
Indiana, PA |
| 8-Hour Ozone (2008) |
|
Pittsburgh-Beaver Valley, PA - (Marginal) |
|
| Beaver County |
| Lead (2008) |
* |
Lower Beaver Valley, PA |
| Sulfur Dioxide (2010) |
* |
Beaver, PA |
| 8-Hour Ozone (2008) |
|
Pittsburgh-Beaver Valley, PA - (Marginal) |
|
| Berks County |
| Lead (2008) |
* |
Lyons, PA |
| Lead (2008) |
* |
North Reading, PA |
| 8-Hour Ozone (2008) |
|
Reading, PA - (Marginal) |
|
| Bucks County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Butler County |
| 8-Hour Ozone (2008) |
|
Pittsburgh-Beaver Valley, PA - (Marginal) |
|
| Carbon County |
| 8-Hour Ozone (2008) |
|
Allentown-Bethlehem-Easton, PA - (Marginal) |
|
| Chester County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Delaware County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Fayette County |
| 8-Hour Ozone (2008) |
|
Pittsburgh-Beaver Valley, PA - (Marginal) |
|
| Indiana County |
| Sulfur Dioxide (2010) |
|
Indiana, PA |
|
| Lancaster County |
| 8-Hour Ozone (2008) |
|
Lancaster, PA - (Marginal) |
|
| Lehigh County |
| 8-Hour Ozone (2008) |
|
Allentown-Bethlehem-Easton, PA - (Marginal) |
|
| Montgomery County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Northampton County |
| 8-Hour Ozone (2008) |
|
Allentown-Bethlehem-Easton, PA - (Marginal) |
|
| Philadelphia County |
| 8-Hour Ozone (2008) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal) |
| 8-Hour Ozone (2015) |
|
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Serious) |
|
| Warren County |
| Sulfur Dioxide (2010) |
* |
Warren, PA |
|
| Washington County |
| 8-Hour Ozone (2008) |
|
Pittsburgh-Beaver Valley, PA - (Marginal) |
|
| Westmoreland County |
| 8-Hour Ozone (2008) |
|
Pittsburgh-Beaver Valley, PA - (Marginal) |
|
| PUERTO RICO |
| Arecibo Municipio |
| Lead (2008) |
* |
Arecibo, PR |
|
| Bayamon Municipio |
| Sulfur Dioxide (2010) |
* |
San Juan, PR |
|
| Catano Municipio |
| Sulfur Dioxide (2010) |
|
San Juan, PR |
|
| Guaynabo Municipio |
| Sulfur Dioxide (2010) |
* |
San Juan, PR |
|
| Salinas Municipio |
| Sulfur Dioxide (2010) |
* |
Guayama-Salinas, PR |
|
| San Juan Municipio |
| Sulfur Dioxide (2010) |
* |
San Juan, PR |
|
| Toa Baja Municipio |
| Sulfur Dioxide (2010) |
* |
San Juan, PR |
|
| TENNESSEE |
| Sullivan County |
| Sulfur Dioxide (2010) |
* |
Sullivan County, TN |
|
| TEXAS |
| Anderson County |
| Sulfur Dioxide (2010) |
* |
Freestone and Anderson Counties, TX |
|
| Bexar County |
| 8-Hour Ozone (2015) |
|
San Antonio, TX - (Serious) |
|
| Brazoria County |
| 8-Hour Ozone (2008) |
|
Houston-Galveston-Brazoria, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Houston-Galveston-Brazoria, TX - (Serious) |
|
| Chambers County |
| 8-Hour Ozone (2008) |
|
Houston-Galveston-Brazoria, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Houston-Galveston-Brazoria, TX - (Serious) |
|
| Collin County |
| 8-Hour Ozone (2008) |
|
Dallas-Fort Worth, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Dallas-Fort Worth, TX - (Serious) |
|
| Dallas County |
| 8-Hour Ozone (2008) |
|
Dallas-Fort Worth, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Dallas-Fort Worth, TX - (Serious) |
|
| Denton County |
| 8-Hour Ozone (2008) |
|
Dallas-Fort Worth, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Dallas-Fort Worth, TX - (Serious) |
|
| El Paso County |
| PM-10 (1987) |
* |
El Paso County, TX - (Moderate) |
| 8-Hour Ozone (2015) |
|
El Paso-Las Cruces, TX-NM - (Marginal) |
|
| Ellis County |
| 8-Hour Ozone (2008) |
|
Dallas-Fort Worth, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Dallas-Fort Worth, TX - (Serious) |
|
| Fort Bend County |
| 8-Hour Ozone (2008) |
|
Houston-Galveston-Brazoria, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Houston-Galveston-Brazoria, TX - (Serious) |
|
| Freestone County |
| Sulfur Dioxide (2010) |
* |
Freestone and Anderson Counties, TX |
|
| Galveston County |
| 8-Hour Ozone (2008) |
|
Houston-Galveston-Brazoria, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Houston-Galveston-Brazoria, TX - (Serious) |
|
| Harris County |
| 8-Hour Ozone (2008) |
|
Houston-Galveston-Brazoria, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Houston-Galveston-Brazoria, TX - (Serious) |
|
| Howard County |
| Sulfur Dioxide (2010) |
* |
Howard County, TX |
|
| Hutchinson County |
| Sulfur Dioxide (2010) |
* |
Hutchinson County, TX |
|
| Johnson County |
| 8-Hour Ozone (2008) |
|
Dallas-Fort Worth, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Dallas-Fort Worth, TX - (Serious) |
|
| Kaufman County |
| 8-Hour Ozone (2008) |
|
Dallas-Fort Worth, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Dallas-Fort Worth, TX - (Serious) |
|
| Liberty County |
| 8-Hour Ozone (2008) |
|
Houston-Galveston-Brazoria, TX - (Severe 15) |
|
| Montgomery County |
| 8-Hour Ozone (2008) |
|
Houston-Galveston-Brazoria, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Houston-Galveston-Brazoria, TX - (Serious) |
|
| Navarro County |
| Sulfur Dioxide (2010) |
* |
Navarro County, TX |
|
| Panola County |
| Sulfur Dioxide (2010) |
* |
Rusk and Panola Counties, TX |
|
| Parker County |
| 8-Hour Ozone (2008) |
|
Dallas-Fort Worth, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Dallas-Fort Worth, TX - (Serious) |
|
| Rockwall County |
| 8-Hour Ozone (2008) |
|
Dallas-Fort Worth, TX - (Severe 15) |
|
| Rusk County |
| Sulfur Dioxide (2010) |
* |
Rusk and Panola Counties, TX |
|
| Tarrant County |
| 8-Hour Ozone (2008) |
|
Dallas-Fort Worth, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Dallas-Fort Worth, TX - (Serious) |
|
| Titus County |
| Sulfur Dioxide (2010) |
* |
Titus County, TX |
|
| Waller County |
| 8-Hour Ozone (2008) |
|
Houston-Galveston-Brazoria, TX - (Severe 15) |
|
| Wise County |
| 8-Hour Ozone (2008) |
|
Dallas-Fort Worth, TX - (Severe 15) |
| 8-Hour Ozone (2015) |
|
Dallas-Fort Worth, TX - (Serious) |
|
| UTAH |
| Box Elder County |
| PM-2.5 (2006) |
* |
Salt Lake City, UT - (Serious) |
|
| Davis County |
| PM-2.5 (2006) |
|
Salt Lake City, UT - (Serious) |
| 8-Hour Ozone (2015) |
|
Northern Wasatch Front, UT - (Moderate) |
|
| Duchesne County |
| 8-Hour Ozone (2015) |
* |
Uinta Basin, UT - (Marginal) |
|
| Salt Lake County |
| PM-2.5 (2006) |
|
Salt Lake City, UT - (Serious) |
| Sulfur Dioxide (1971) |
|
Salt Lake County, UT |
| 8-Hour Ozone (2015) |
|
Northern Wasatch Front, UT - (Moderate) |
|
| Tooele County |
| PM-2.5 (2006) |
* |
Salt Lake City, UT - (Serious) |
| Sulfur Dioxide (1971) |
* |
Tooele County, UT |
| 8-Hour Ozone (2015) |
* |
Northern Wasatch Front, UT - (Moderate) |
|
| Uintah County |
| 8-Hour Ozone (2015) |
* |
Uinta Basin, UT - (Marginal) |
|
| Utah County |
| PM-2.5 (2006) |
* |
Provo, UT - (Serious) |
| 8-Hour Ozone (2015) |
* |
Southern Wasatch Front, UT - (Marginal) |
|
| Weber County |
| PM-2.5 (2006) |
* |
Salt Lake City, UT - (Serious) |
| 8-Hour Ozone (2015) |
* |
Northern Wasatch Front, UT - (Moderate) |
|
| VIRGINIA |
| Alexandria city |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| Arlington County |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| Fairfax County |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| Fairfax city |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| Falls Church city |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| Giles County |
| Sulfur Dioxide (2010) |
* |
Giles County, VA |
|
| Loudoun County |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| Manassas Park city |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| Manassas city |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| Prince William County |
| 8-Hour Ozone (2015) |
|
Washington, DC-MD-VA - (Moderate) |
|
| WASHINGTON |
| Whatcom County |
| Sulfur Dioxide (2010) |
* |
Whatcom County, WA |
|
| WISCONSIN |
| Kenosha County |
| 8-Hour Ozone (2015) |
* |
Chicago, IL-IN-WI - (Moderate) |
|
| Milwaukee County |
| 8-Hour Ozone (2015) |
|
Milwaukee, WI - (Moderate) |
|
| Ozaukee County |
| 8-Hour Ozone (2015) |
|
Milwaukee, WI - (Moderate) |
|
| Racine County |
| 8-Hour Ozone (2015) |
* |
Milwaukee, WI - (Moderate) |
|
| Sheboygan County |
| 8-Hour Ozone (2015) |
* |
Sheboygan County, WI - (Moderate) |
|
| Washington County |
| 8-Hour Ozone (2015) |
* |
Milwaukee, WI - (Moderate) |
|
| Waukesha County |
| 8-Hour Ozone (2015) |
* |
Milwaukee, WI - (Moderate) |
|
| WYOMING |
| Lincoln County |
| 8-Hour Ozone (2008) |
* |
Upper Green River Basin Area, WY - (Marginal) |
|
| Sublette County |
| 8-Hour Ozone (2008) |
|
Upper Green River Basin Area, WY - (Marginal) |
|
| Sweetwater County |
| 8-Hour Ozone (2008) |
* |
Upper Green River Basin Area, WY - (Marginal) |
