8-Hour Ozone (2015) Nonattainment Areas
Data is current as of December 31, 2020
EXTREME |
Los Angeles-South Coast Air Basin, CA |
San Joaquin Valley, CA |
|
SEVERE 15 |
Los Angeles-San Bernardino Counties (West Mojave Desert), CA |
Riverside County (Coachella Valley), CA |
|
SERIOUS |
Morongo Band of Mission Indians, CA |
Ventura County, CA |
|
MODERATE |
Kern County (Eastern Kern), CA |
Nevada County (Western part), CA |
New York-Northern New Jersey-Long Island, NY-NJ-CT |
Sacramento Metro, CA |
San Diego County, CA |
|
MARGINAL |
Allegan County, MI |
Amador County, CA |
Atlanta, GA |
Baltimore, MD |
Berrien County, MI |
Butte County, CA |
Calaveras County, CA |
Chicago, IL-IN-WI |
Cincinnati, OH-KY |
Cleveland, OH |
Dallas-Fort Worth, TX |
Denver Metro/North Front Range, CO |
Detroit, MI |
Dona Ana County (Sunland Park Area), NM |
Greater Connecticut, CT |
Houston-Galveston-Brazoria, TX |
Imperial County, CA |
Las Vegas, NV |
Louisville, KY-IN |
Manitowoc County, WI |
Mariposa County, CA |
Muskegon County, MI |
Northern Milwaukee/Ozaukee Shoreline, WI |
Northern Wasatch Front, UT |
Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA |
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE |
Phoenix-Mesa, AZ |
San Antonio, TX |
San Francisco Bay Area, CA |
San Luis Obispo (Eastern part), CA |
Sheboygan County, WI |
Southern Wasatch Front, UT |
St. Louis, MO-IL |
Sutter Buttes, CA |
Tuolumne County, CA |
Uinta Basin, UT |
Washington, DC-MD-VA |
Yuma, AZ |
|
MARGINAL (RURAL TRANSPORT) |
Tuscan Buttes, CA |
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