Green Book

You are here: EPA Home > Green Book > Current Nonattainment Counties for All Criteria Pollutants

Current Nonattainment Counties for All Criteria Pollutants

Data is current as of September 30, 2018

The 8-hour Ozone (1997) standard was revoked on April 6, 2015 and the 1-hour Ozone (1979) standard was revoked on June 15, 2005.

"Part County NA" means only a portion of the county is designated nonattainment (NA).



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) * Paul Spur/Douglas (Cochise County), 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 - (Marginal)
Maricopa County
PM-10 (1987) * Phoenix, AZ - (Serious)
8-Hour Ozone (2008) * Phoenix-Mesa, AZ - (Moderate)
8-Hour Ozone (2015) * Phoenix-Mesa, AZ - (Marginal)
Pima County
PM-10 (1987) * Ajo (Pima County), AZ - (Moderate)
PM-10 (1987) * Rillito, AZ - (Moderate)
Pinal County
Lead (2008) * Hayden, AZ
PM-10 (1987) * Hayden, AZ - (Moderate)
PM-10 (1987) * Miami, AZ - (Moderate)
PM-10 (1987) * Phoenix, AZ - (Serious)
PM-10 (1987) * West Pinal, AZ - (Moderate)
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 - (Marginal)
Santa Cruz County
PM-10 (1987) * Nogales, AZ - (Moderate)
PM-2.5 (2006) * Nogales, 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 - (Moderate)
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 - (Moderate)
8-Hour Ozone (2008) San Joaquin Valley, CA - (Extreme)
8-Hour Ozone (2015) San Joaquin Valley, CA - (Extreme)
Imperial County
PM-10 (1987) * Imperial Valley, CA - (Serious)
PM-2.5 (2006) * Imperial Co, 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) * Owens Valley, CA - (Serious)
Kern County
PM-10 (1987) * East Kern Co, 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 - (Moderate)
8-Hour Ozone (2008) * Kern Co (Eastern Kern), CA - (Serious)
8-Hour Ozone (2008) * San Joaquin Valley, CA - (Extreme)
8-Hour Ozone (2015) * Kern County (Eastern Kern), CA - (Moderate)
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 - (Moderate)
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 - (Moderate)
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 - (Moderate)
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 - (Marginal)
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 - (Moderate)
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 Co. (Western part), CA - (Moderate)
8-Hour Ozone (2015) * Nevada County (Western part), CA - (Moderate)
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 - (Moderate)
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 - (Moderate)
Plumas County
PM-2.5 (2012) * Plumas County, CA - (Moderate)
Riverside County
PM-10 (1987) * Coachella Valley, 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 - (Moderate)
8-Hour Ozone (2008) * Los Angeles-South Coast Air Basin, CA - (Extreme)
8-Hour Ozone (2008) * Morongo Band of Mission Indians - (Serious)
8-Hour Ozone (2008) * Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation - (Moderate)
8-Hour Ozone (2008) * Riverside Co, (Coachella Valley), CA - (Severe 15)
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 - (Marginal)
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 - (Moderate)
San Bernardino County
PM-10 (1987) * San Bernardino Co, 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 - (Moderate)
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 - (Moderate)
8-Hour Ozone (2008) * San Diego County, CA - (Moderate)
8-Hour Ozone (2015) * Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA - (Marginal)
8-Hour Ozone (2015) * San Diego County, CA - (Moderate)
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 - (Moderate)
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 - (Moderate)
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 - (Moderate)
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 - (Moderate)
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 - (Moderate)
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 - (Moderate)
COLORADO
Adams County
8-Hour Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Moderate)
8-Hour Ozone (2015) Denver Metro/North Front Range, CO - (Marginal)
Arapahoe County
8-Hour Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Moderate)
8-Hour Ozone (2015) Denver Metro/North Front Range, CO - (Marginal)
Boulder County
8-Hour Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Moderate)
8-Hour Ozone (2015) Denver Metro/North Front Range, CO - (Marginal)
Broomfield County
8-Hour Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Moderate)
8-Hour Ozone (2015) Denver Metro/North Front Range, CO - (Marginal)
Denver County
8-Hour Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Moderate)
8-Hour Ozone (2015) Denver Metro/North Front Range, CO - (Marginal)
Douglas County
8-Hour Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Moderate)
8-Hour Ozone (2015) Denver Metro/North Front Range, CO - (Marginal)
Jefferson County
8-Hour Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Moderate)
8-Hour Ozone (2015) Denver Metro/North Front Range, CO - (Marginal)
Larimer County
8-Hour Ozone (2008) * Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Moderate)
8-Hour Ozone (2015) * Denver Metro/North Front Range, CO - (Marginal)
Weld County
8-Hour Ozone (2008) * Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Moderate)
8-Hour Ozone (2015) * Denver Metro/North Front Range, CO - (Marginal)
CONNECTICUT
Fairfield County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
Hartford County
8-Hour Ozone (2008) Greater Connecticut, CT - (Moderate)
8-Hour Ozone (2015) Greater Connecticut, CT - (Marginal)
Litchfield County
8-Hour Ozone (2008) Greater Connecticut, CT - (Moderate)
8-Hour Ozone (2015) Greater Connecticut, CT - (Marginal)
Middlesex County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
New Haven County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
New London County
8-Hour Ozone (2008) Greater Connecticut, CT - (Moderate)
8-Hour Ozone (2015) Greater Connecticut, CT - (Marginal)
Tolland County
8-Hour Ozone (2008) Greater Connecticut, CT - (Moderate)
8-Hour Ozone (2015) Greater Connecticut, CT - (Marginal)
Windham County
8-Hour Ozone (2008) Greater Connecticut, CT - (Moderate)
8-Hour Ozone (2015) Greater Connecticut, CT - (Marginal)
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 - (Marginal)
Sussex County
8-Hour Ozone (2008) Seaford, DE - (Marginal)
DISTRICT OF COLUMBIA
District of Columbia
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
FLORIDA
Hillsborough County
Lead (2008) * Tampa, FL
Sulfur Dioxide (2010) * Hillsborough County, FL
Sulfur Dioxide (2010) * Hillsborough-Polk County, FL
Nassau County
Sulfur Dioxide (2010) * Nassau County, FL
Polk County
Sulfur Dioxide (2010) * Hillsborough-Polk County, FL
GEORGIA
Bartow County
8-Hour Ozone (2015) Atlanta, GA - (Marginal)
Clayton County
8-Hour Ozone (2015) Atlanta, GA - (Marginal)
Cobb County
8-Hour Ozone (2015) Atlanta, GA - (Marginal)
DeKalb County
8-Hour Ozone (2015) Atlanta, GA - (Marginal)
Fulton County
8-Hour Ozone (2015) Atlanta, GA - (Marginal)
Gwinnett County
8-Hour Ozone (2015) Atlanta, GA - (Marginal)
Henry County
8-Hour Ozone (2015) Atlanta, GA - (Marginal)
GUAM
Guam
Sulfur Dioxide (1971) * Piti, GU
Sulfur Dioxide (1971) * Tanguisson, GU
Sulfur Dioxide (2010) * Piti-Cabras, GU
IDAHO
Bannock County
PM-10 (1987) * Fort Hall Indian Reservation - (Moderate)
Franklin County
PM-2.5 (2006) * Logan, UT-ID - (Moderate)
Power County
PM-10 (1987) * Fort Hall Indian Reservation - (Moderate)
Shoshone County
PM-10 (1987) * Pinehurst, ID - (Moderate)
PM-10 (1987) * Shoshone Co, ID - (Moderate)
PM-2.5 (2012) * West Silver Valley, ID - (Moderate)
ILLINOIS
Cook County
Sulfur Dioxide (2010) * Lemont, IL
8-Hour Ozone (2008) Chicago-Naperville, IL-IN-WI - (Moderate)
8-Hour Ozone (2015) Chicago, IL-IN-WI - (Marginal)
DuPage County
8-Hour Ozone (2008) Chicago-Naperville, IL-IN-WI - (Moderate)
8-Hour Ozone (2015) Chicago, IL-IN-WI - (Marginal)
Grundy County
8-Hour Ozone (2008) * Chicago-Naperville, IL-IN-WI - (Moderate)
8-Hour Ozone (2015) * Chicago, IL-IN-WI - (Marginal)
Kane County
8-Hour Ozone (2008) Chicago-Naperville, IL-IN-WI - (Moderate)
8-Hour Ozone (2015) Chicago, IL-IN-WI - (Marginal)
Kendall County
8-Hour Ozone (2008) * Chicago-Naperville, IL-IN-WI - (Moderate)
8-Hour Ozone (2015) * Chicago, IL-IN-WI - (Marginal)
Lake County
8-Hour Ozone (2008) Chicago-Naperville, IL-IN-WI - (Moderate)
8-Hour Ozone (2015) Chicago, IL-IN-WI - (Marginal)
Madison County
PM-2.5 (1997) St. Louis, MO-IL - (Moderate)
Sulfur Dioxide (2010) * Alton Township, IL
8-Hour Ozone (2015) St. Louis, MO-IL - (Marginal)
McHenry County
8-Hour Ozone (2008) Chicago-Naperville, IL-IN-WI - (Moderate)
Monroe County
PM-2.5 (1997) St. Louis, MO-IL - (Moderate)
Peoria County
Sulfur Dioxide (2010) * Pekin, IL
Randolph County
PM-2.5 (1997) * St. Louis, MO-IL - (Moderate)
St. Clair County
PM-2.5 (1997) St. Louis, MO-IL - (Moderate)
8-Hour Ozone (2015) St. Louis, MO-IL - (Marginal)
Tazewell County
Sulfur Dioxide (2010) * Pekin, IL
Will County
Sulfur Dioxide (2010) * Lemont, IL
8-Hour Ozone (2008) Chicago-Naperville, IL-IN-WI - (Moderate)
8-Hour Ozone (2015) Chicago, IL-IN-WI - (Marginal)
Williamson County
Sulfur Dioxide (2010) Williamson County, IL
INDIANA
Clark County
8-Hour Ozone (2015) Louisville, KY-IN - (Marginal)
Daviess County
Sulfur Dioxide (2010) * Southwest Indiana, IN
Delaware County
Lead (2008) * Muncie, IN
Floyd County
8-Hour Ozone (2015) Louisville, KY-IN - (Marginal)
Huntington County
Sulfur Dioxide (2010) * Huntington, IN
Lake County
8-Hour Ozone (2008) Chicago-Naperville, IL-IN-WI - (Moderate)
8-Hour Ozone (2015) * Chicago, IL-IN-WI - (Marginal)
Marion County
Sulfur Dioxide (2010) * Indianapolis, IN
Morgan County
Sulfur Dioxide (2010) * Morgan County, IN
Pike County
Sulfur Dioxide (2010) * Southwest Indiana, IN
Porter County
8-Hour Ozone (2008) Chicago-Naperville, IL-IN-WI - (Moderate)
Vigo County
Sulfur Dioxide (2010) * Terre Haute, IN
IOWA
Muscatine County
Sulfur Dioxide (2010) * Muscatine, IA
Pottawattamie County
Lead (2008) * Pottawattamie County, IA
KANSAS
Saline County
Lead (2008) * Saline County, KS
KENTUCKY
Boone County
8-Hour Ozone (2015) * Cincinnati, OH-KY - (Marginal)
Bullitt County
8-Hour Ozone (2015) Louisville, KY-IN - (Marginal)
Campbell County
8-Hour Ozone (2015) * Cincinnati, OH-KY - (Marginal)
Jefferson County
Sulfur Dioxide (2010) * Jefferson County, KY
8-Hour Ozone (2015) Louisville, KY-IN - (Marginal)
Kenton County
8-Hour Ozone (2015) * Cincinnati, OH-KY - (Marginal)
Oldham County
8-Hour Ozone (2015) Louisville, KY-IN - (Marginal)
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 - (Marginal)
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 - (Marginal)
Baltimore city
8-Hour Ozone (2008) Baltimore, MD - (Moderate)
8-Hour Ozone (2015) Baltimore, MD - (Marginal)
Calvert County
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
Carroll County
8-Hour Ozone (2008) Baltimore, MD - (Moderate)
8-Hour Ozone (2015) Baltimore, MD - (Marginal)
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 - (Marginal)
Charles County
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
Frederick County
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
Harford County
8-Hour Ozone (2008) Baltimore, MD - (Moderate)
8-Hour Ozone (2015) Baltimore, MD - (Marginal)
Howard County
8-Hour Ozone (2008) Baltimore, MD - (Moderate)
8-Hour Ozone (2015) Baltimore, MD - (Marginal)
Montgomery County
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
Prince George's County
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
MASSACHUSETTS
Dukes County
8-Hour Ozone (2008) Dukes County, MA - (Marginal)
MICHIGAN
Allegan County
8-Hour Ozone (2015) * Allegan County, MI - (Marginal)
Berrien County
8-Hour Ozone (2015) Berrien County, MI - (Marginal)
Livingston County
8-Hour Ozone (2015) Detroit, MI - (Marginal)
Macomb County
8-Hour Ozone (2015) Detroit, MI - (Marginal)
Monroe County
8-Hour Ozone (2015) Detroit, MI - (Marginal)
Muskegon County
8-Hour Ozone (2015) * Muskegon County, MI - (Marginal)
Oakland County
8-Hour Ozone (2015) Detroit, MI - (Marginal)
St. Clair County
Sulfur Dioxide (2010) * St. Clair, MI
8-Hour Ozone (2015) Detroit, MI - (Marginal)
Washtenaw County
8-Hour Ozone (2015) Detroit, MI - (Marginal)
Wayne County
Sulfur Dioxide (2010) * Detroit, MI
8-Hour Ozone (2015) Detroit, MI - (Marginal)
MINNESOTA
Dakota County
Lead (2008) * Eagan, MN
MISSOURI
Dent County
Lead (2008) * Iron, Dent, and Reynolds Counties, MO
Franklin County
PM-2.5 (1997) St. Louis, MO-IL - (Moderate)
8-Hour Ozone (2015) * St. Louis, MO-IL - (Marginal)
Iron County
Lead (2008) * Iron, Dent, and Reynolds Counties, MO
Jackson County
Sulfur Dioxide (2010) * Jackson County, MO
Jefferson County
Lead (1978) * Jefferson County (part); Herculaneum, MO
Lead (2008) * Jefferson County, MO
PM-2.5 (1997) St. Louis, MO-IL - (Moderate)
Sulfur Dioxide (2010) * Jefferson County, MO
Reynolds County
Lead (2008) * Iron, Dent, and Reynolds Counties, MO
St. Charles County
PM-2.5 (1997) St. Louis, MO-IL - (Moderate)
8-Hour Ozone (2015) St. Louis, MO-IL - (Marginal)
St. Louis County
PM-2.5 (1997) St. Louis, MO-IL - (Moderate)
8-Hour Ozone (2015) St. Louis, MO-IL - (Marginal)
St. Louis city
PM-2.5 (1997) St. Louis, MO-IL - (Moderate)
8-Hour Ozone (2015) St. Louis, MO-IL - (Marginal)
MONTANA
Flathead County
PM-10 (1987) * Columbia Falls, MT - (Moderate)
PM-10 (1987) * Flathead County; Whitefish and vicinity, MT - (Moderate)
PM-10 (1987) * Kalispell, MT - (Moderate)
Lake County
PM-10 (1987) * Polson, MT - (Moderate)
PM-10 (1987) * Ronan, MT - (Moderate)
Lewis and Clark County
Lead (1978) * East Helena Area (Lewis and Clark Co.), MT
Sulfur Dioxide (1971) * East Helena Area (Lewis and Clark Co.), MT
Lincoln County
PM-10 (1987) * Libby, MT - (Moderate)
PM-2.5 (1997) * Libby, MT - (Moderate)
Missoula County
PM-10 (1987) * Missoula, MT - (Moderate)
Rosebud County
PM-10 (1987) * Lame Deer, MT - (Moderate)
Sanders County
PM-10 (1987) * Sanders County (part); Thompson Falls and vicinity, MT - (Moderate)
Silver Bow County
PM-10 (1987) * Butte, MT - (Moderate)
Yellowstone County
Sulfur Dioxide (1971) * Laurel Area (Yellowstone County), MT
NEVADA
Clark County
8-Hour Ozone (2015) * Las Vegas, NV - (Marginal)
NEW HAMPSHIRE
Hillsborough County
Sulfur Dioxide (2010) * Central New Hampshire, NH
Merrimack County
Sulfur Dioxide (2010) * Central New Hampshire, NH
Rockingham County
Sulfur Dioxide (2010) * Central New Hampshire, NH
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 - (Marginal)
Bergen County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
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 - (Marginal)
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 - (Marginal)
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 - (Marginal)
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 - (Marginal)
Essex County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
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 - (Marginal)
Hudson County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
Hunterdon County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
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 - (Marginal)
Middlesex County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
Monmouth County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
Morris County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
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 - (Marginal)
Passaic County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
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 - (Marginal)
Somerset County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
Sussex County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
Union County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
Warren County
Sulfur Dioxide (1971) * Warren Co, NJ
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
NEW MEXICO
Dona Ana County
PM-10 (1987) * Anthony, NM - (Moderate)
8-Hour Ozone (2015) * Dona Ana County (Sunland Park Area), NM - (Marginal)
NEW YORK
Bronx County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
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 - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
Nassau County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
New York County
PM-10 (1987) New York Co, NY - (Moderate)
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
Queens County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
Richmond County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
Rockland County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
Suffolk County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
Westchester County
8-Hour Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
8-Hour Ozone (2015) New York-Northern New Jersey-Long Island, NY-NJ-CT - (Moderate)
OHIO
Butler County
8-Hour Ozone (2015) Cincinnati, OH-KY - (Marginal)
Clermont County
8-Hour Ozone (2015) Cincinnati, OH-KY - (Marginal)
Cuyahoga County
PM-2.5 (2012) Cleveland, OH - (Moderate)
8-Hour Ozone (2015) Cleveland, OH - (Marginal)
Delaware County
8-Hour Ozone (2015) Columbus, OH - (Marginal)
Fairfield County
8-Hour Ozone (2015) Columbus, OH - (Marginal)
Franklin County
8-Hour Ozone (2015) Columbus, OH - (Marginal)
Geauga County
8-Hour Ozone (2015) Cleveland, OH - (Marginal)
Hamilton County
8-Hour Ozone (2015) Cincinnati, OH-KY - (Marginal)
Jefferson County
Sulfur Dioxide (2010) * Steubenville, OH-WV
Lake County
Sulfur Dioxide (2010) Lake County, OH
8-Hour Ozone (2015) Cleveland, OH - (Marginal)
Licking County
8-Hour Ozone (2015) Columbus, OH - (Marginal)
Lorain County
PM-2.5 (2012) Cleveland, OH - (Moderate)
8-Hour Ozone (2015) Cleveland, OH - (Marginal)
Medina County
8-Hour Ozone (2015) Cleveland, OH - (Marginal)
Morgan County
Sulfur Dioxide (2010) * Muskingum River, OH
Portage County
8-Hour Ozone (2015) Cleveland, OH - (Marginal)
Summit County
8-Hour Ozone (2015) Cleveland, OH - (Marginal)
Warren County
8-Hour Ozone (2015) Cincinnati, OH-KY - (Marginal)
Washington County
Sulfur Dioxide (2010) * Muskingum River, OH
OREGON
Klamath County
PM-2.5 (2006) * Klamath Falls, OR - (Moderate)
Lane County
PM-10 (1987) * Lane Co, OR - (Moderate)
PM-2.5 (2006) * Oakridge, 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 Co, 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 - (Marginal)
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 - (Marginal)
Delaware County
PM-2.5 (2012) Delaware County, PA - (Moderate)
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 - (Marginal)
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)
Lebanon County
PM-2.5 (2012) Lebanon County, PA - (Moderate)
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 - (Marginal)
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 - (Marginal)
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 - (Marginal)
Brazoria County
8-Hour Ozone (2008) Houston-Galveston-Brazoria, TX - (Moderate)
8-Hour Ozone (2015) Houston-Galveston-Brazoria, TX - (Marginal)
Chambers County
8-Hour Ozone (2008) Houston-Galveston-Brazoria, TX - (Moderate)
8-Hour Ozone (2015) Houston-Galveston-Brazoria, TX - (Marginal)
Collin County
8-Hour Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
8-Hour Ozone (2015) Dallas-Fort Worth, TX - (Marginal)
Dallas County
8-Hour Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
8-Hour Ozone (2015) Dallas-Fort Worth, TX - (Marginal)
Denton County
8-Hour Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
8-Hour Ozone (2015) Dallas-Fort Worth, TX - (Marginal)
El Paso County
PM-10 (1987) * El Paso Co, TX - (Moderate)
Ellis County
8-Hour Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
8-Hour Ozone (2015) Dallas-Fort Worth, TX - (Marginal)
Fort Bend County
8-Hour Ozone (2008) Houston-Galveston-Brazoria, TX - (Moderate)
8-Hour Ozone (2015) Houston-Galveston-Brazoria, TX - (Marginal)
Freestone County
Sulfur Dioxide (2010) * Freestone and Anderson Counties, TX
Galveston County
8-Hour Ozone (2008) Houston-Galveston-Brazoria, TX - (Moderate)
8-Hour Ozone (2015) Houston-Galveston-Brazoria, TX - (Marginal)
Harris County
8-Hour Ozone (2008) Houston-Galveston-Brazoria, TX - (Moderate)
8-Hour Ozone (2015) Houston-Galveston-Brazoria, TX - (Marginal)
Johnson County
8-Hour Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
8-Hour Ozone (2015) Dallas-Fort Worth, TX - (Marginal)
Kaufman County
8-Hour Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
8-Hour Ozone (2015) Dallas-Fort Worth, TX - (Marginal)
Liberty County
8-Hour Ozone (2008) Houston-Galveston-Brazoria, TX - (Moderate)
Montgomery County
8-Hour Ozone (2008) Houston-Galveston-Brazoria, TX - (Moderate)
8-Hour Ozone (2015) Houston-Galveston-Brazoria, TX - (Marginal)
Panola County
Sulfur Dioxide (2010) * Rusk and Panola Counties, TX
Parker County
8-Hour Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
8-Hour Ozone (2015) Dallas-Fort Worth, TX - (Marginal)
Rockwall County
8-Hour Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
Rusk County
Sulfur Dioxide (2010) * Rusk and Panola Counties, TX
Tarrant County
8-Hour Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
8-Hour Ozone (2015) Dallas-Fort Worth, TX - (Marginal)
Titus County
Sulfur Dioxide (2010) * Titus County, TX
Waller County
8-Hour Ozone (2008) Houston-Galveston-Brazoria, TX - (Moderate)
Wise County
8-Hour Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
8-Hour Ozone (2015) Dallas-Fort Worth, TX - (Marginal)
UTAH
Box Elder County
PM-2.5 (2006) * Salt Lake City, UT - (Serious)
Cache County
PM-2.5 (2006) * Logan, UT-ID - (Moderate)
Davis County
PM-2.5 (2006) Salt Lake City, UT - (Serious)
8-Hour Ozone (2015) Northern Wasatch Front, UT - (Marginal)
Duchesne County
8-Hour Ozone (2015) * Uinta Basin, UT - (Marginal)
Salt Lake County
PM-10 (1987) Salt Lake Co, UT - (Moderate)
PM-2.5 (2006) Salt Lake City, UT - (Serious)
Sulfur Dioxide (1971) Salt Lake Co, UT
8-Hour Ozone (2015) Northern Wasatch Front, UT - (Marginal)
Tooele County
PM-2.5 (2006) * Salt Lake City, UT - (Serious)
Sulfur Dioxide (1971) * Tooele Co, UT
8-Hour Ozone (2015) * Northern Wasatch Front, UT - (Marginal)
Uintah County
8-Hour Ozone (2015) * Uinta Basin, UT - (Marginal)
Utah County
PM-10 (1987) Utah Co, UT - (Moderate)
PM-2.5 (2006) * Provo, UT - (Serious)
8-Hour Ozone (2015) * Southern Wasatch Front, UT - (Marginal)
Weber County
PM-10 (1987) * Ogden, UT - (Moderate)
PM-2.5 (2006) * Salt Lake City, UT - (Serious)
8-Hour Ozone (2015) * Northern Wasatch Front, UT - (Marginal)
VIRGINIA
Alexandria city
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
Arlington County
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
Fairfax County
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
Fairfax city
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
Falls Church city
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
Loudoun County
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
Manassas Park city
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
Manassas city
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
Prince William County
8-Hour Ozone (2008) Washington, DC-MD-VA - (Marginal)
8-Hour Ozone (2015) Washington, DC-MD-VA - (Marginal)
WEST VIRGINIA
Brooke County
Sulfur Dioxide (2010) * Steubenville, OH-WV
Marshall County
Sulfur Dioxide (2010) * Marshall, WV
WISCONSIN
Door County
8-Hour Ozone (2015) * Door County, WI - (Marginal (Rural Transport))
Kenosha County
8-Hour Ozone (2008) * Chicago-Naperville, IL-IN-WI - (Moderate)
8-Hour Ozone (2015) * Chicago, IL-IN-WI - (Marginal)
Manitowoc County
8-Hour Ozone (2015) * Manitowoc County, WI - (Marginal)
Milwaukee County
8-Hour Ozone (2015) * Northern Milwaukee/Ozaukee Shoreline, WI - (Marginal)
Oneida County
Sulfur Dioxide (2010) * Rhinelander, WI
Ozaukee County
8-Hour Ozone (2015) * Northern Milwaukee/Ozaukee Shoreline, WI - (Marginal)
Sheboygan County
8-Hour Ozone (2008) Sheboygan County, WI - (Moderate)
8-Hour Ozone (2015) * Sheboygan County, WI - (Marginal)
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)


Go Top