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8-Hour Ozone (2015) Nonattainment Area Area/State/County Report
8-Hour Ozone (2015) Nonattainment Area Area/State/County Report
Data is current as of October 31, 2024Allegan County, MI (Moderate - Nonattainment) | |
MICHIGAN (Region V) | |
Allegan County (P) | |
Amador County, CA (Marginal - Nonattainment) | |
CALIFORNIA (Region IX) | |
Amador County | |
Baltimore, MD (Serious - Nonattainment) | |
MARYLAND (Region III) | |
Anne Arundel County | |
Baltimore County | |
Baltimore city | |
Carroll County | |
Harford County | |
Howard County | |
Berrien County, MI (Moderate - Nonattainment) | |
MICHIGAN (Region V) | |
Berrien County | |
Butte County, CA (Marginal - Nonattainment) | |
CALIFORNIA (Region IX) | |
Butte County | |
Calaveras County, CA (Marginal - Nonattainment) | |
CALIFORNIA (Region IX) | |
Calaveras County | |
Chicago, IL-IN-WI (Moderate - Nonattainment) | |
ILLINOIS (Region V) | |
Cook County | |
DuPage County | |
Grundy County (P) | |
Aux Sable Township and Goose Lake Township | |
Kane County | |
Kendall County (P) | |
Oswego Township | |
Lake County | |
McHenry County | |
Will County | |
INDIANA (Region V) | |
Lake County (P) | |
Porter County (P) | |
WISCONSIN (Region V) | |
Kenosha County (P) | |
Cleveland, OH (Moderate - Nonattainment) | |
OHIO (Region V) | |
Cuyahoga County | |
Geauga County | |
Lake County | |
Lorain County | |
Medina County | |
Portage County | |
Summit County | |
Dallas-Fort Worth, TX (Serious - Nonattainment) | |
TEXAS (Region VI) | |
Collin County | |
Dallas County | |
Denton County | |
Ellis County | |
Johnson County | |
Kaufman County | |
Parker County | |
Tarrant County | |
Wise County | |
Denver Metro/North Front Range, CO (Serious - Nonattainment) | |
COLORADO (Region VIII) | |
Adams County | |
Arapahoe County | |
Boulder County | |
Broomfield County | |
Denver County | |
Douglas County | |
Jefferson County | |
Larimer County (P) | |
Weld County | |
El Paso-Las Cruces, TX-NM (Marginal - Nonattainment) | |
NEW MEXICO (Region VI) | |
Dona Ana County (P) | |
TEXAS (Region VI) | |
El Paso County | |
Greater Connecticut, CT (Serious - Nonattainment) | |
CONNECTICUT (Region I) | |
Hartford County | |
Litchfield County | |
New London County | |
Tolland County | |
Windham County | |
Houston-Galveston-Brazoria, TX (Serious - Nonattainment) | |
TEXAS (Region VI) | |
Brazoria County | |
Chambers County | |
Fort Bend County | |
Galveston County | |
Harris County | |
Montgomery County | |
Imperial County, CA (Marginal - Nonattainment) | |
CALIFORNIA (Region IX) | |
Imperial County | |
Kern County (Eastern Kern), CA (Serious - Nonattainment) | |
CALIFORNIA (Region IX) | |
Kern County (P) | |
Las Vegas, NV (Moderate - Nonattainment) | |
NEVADA (Region IX) | |
Clark County (P) | |
That portion of Clark County that lies in hydrographic area 212 | |
Los Angeles-San Bernardino Counties (West Mojave Desert), CA (Severe 15 - Nonattainment) | |
CALIFORNIA (Region IX) | |
Los Angeles County (P) | |
San Bernardino County (P) | |
Los Angeles-South Coast Air Basin, CA (Extreme - Nonattainment) | |
CALIFORNIA (Region IX) | |
Los Angeles County (P) | |
Orange County | |
Riverside County (P) | |
San Bernardino County (P) | |
Louisville, KY-IN (Moderate - Nonattainment) | |
KENTUCKY (Region IV) | |
Bullitt County | |
Jefferson County | |
Oldham County | |
Mariposa County, CA (Moderate - Nonattainment) | |
CALIFORNIA (Region IX) | |
Mariposa County | |
Milwaukee, WI (Moderate - Nonattainment) | |
WISCONSIN (Region V) | |
Milwaukee County | |
Ozaukee County | |
Racine County (P) | |
Washington County (P) | |
Waukesha County (P) | |
Morongo Band of Mission Indians, CA (Serious - Nonattainment) | |
CALIFORNIA (Region IX) | |
Riverside County (P) | |
Muskegon County, MI (Moderate - Nonattainment) | |
MICHIGAN (Region V) | |
Muskegon County (P) | |
Nevada County (Western part), CA (Serious - Nonattainment) | |
CALIFORNIA (Region IX) | |
Nevada County (P) | |
New York-Northern New Jersey-Long Island, NY-NJ-CT (Serious - Nonattainment) | |
CONNECTICUT (Region I) | |
Fairfield County | |
Middlesex County | |
New Haven County | |
NEW JERSEY (Region II) | |
Bergen County | |
Essex County | |
Hudson County | |
Hunterdon County | |
Middlesex County | |
Monmouth County | |
Morris County | |
Passaic County | |
Somerset County | |
Sussex County | |
Union County | |
Warren County | |
NEW YORK (Region II) | |
Bronx County | |
Kings County | |
Nassau County | |
New York County | |
Queens County | |
Richmond County | |
Rockland County | |
Suffolk County | |
Westchester County | |
Northern Wasatch Front, UT (Moderate - Nonattainment) | |
UTAH (Region VIII) | |
Davis County | |
Salt Lake County | |
Tooele County (P) | |
Weber County (P) | |
Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA (Moderate - Nonattainment) | |
CALIFORNIA (Region IX) | |
Riverside County (P) | |
San Diego County (P) | |
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE (Serious - Nonattainment) | |
DELAWARE (Region III) | |
New Castle County | |
MARYLAND (Region III) | |
Cecil County | |
NEW JERSEY (Region II) | |
Atlantic County | |
Burlington County | |
Camden County | |
Cape May County | |
Cumberland County | |
Gloucester County | |
Mercer County | |
Ocean County | |
Salem County | |
PENNSYLVANIA (Region III) | |
Bucks County | |
Chester County | |
Delaware County | |
Montgomery County | |
Philadelphia County | |
Phoenix-Mesa, AZ (Moderate - Nonattainment) | |
ARIZONA (Region IX) | |
Gila County (P) | |
Maricopa County (P) | |
Pinal County (P) | |
Riverside County (Coachella Valley), CA (Severe 15 - Nonattainment) | |
CALIFORNIA (Region IX) | |
Riverside County (P) | |
Sacramento Metro, CA (Serious - Nonattainment) | |
CALIFORNIA (Region IX) | |
El Dorado County (P) | |
Placer County (P) | |
Sacramento County | |
Solano County (P) | |
Sutter County (P) | |
Yolo County | |
San Antonio, TX (Serious - Nonattainment) | |
TEXAS (Region VI) | |
Bexar County | |
San Diego County, CA (Severe 15 - Nonattainment) | |
CALIFORNIA (Region IX) | |
San Diego County (P) | |
San Francisco Bay Area, CA (Marginal - Nonattainment) | |
CALIFORNIA (Region IX) | |
Alameda County | |
Contra Costa County | |
Marin County | |
Napa County | |
San Francisco County | |
San Mateo County | |
Santa Clara County | |
Solano County (P) | |
Sonoma County (P) | |
San Joaquin Valley, CA (Extreme - Nonattainment) | |
CALIFORNIA (Region IX) | |
Fresno County | |
Kern County (P) | |
Kings County | |
Madera County | |
Merced County | |
San Joaquin County | |
Stanislaus County | |
Tulare County | |
San Luis Obispo (Eastern part), CA (Marginal - Nonattainment) | |
CALIFORNIA (Region IX) | |
San Luis Obispo County (P) | |
Sheboygan County, WI (Moderate - Nonattainment) | |
WISCONSIN (Region V) | |
Sheboygan County (P) | |
Southern Wasatch Front, UT (Marginal - Nonattainment) | |
UTAH (Region VIII) | |
Utah County (P) | |
St. Louis, MO-IL (Moderate - Nonattainment) | |
ILLINOIS (Region V) | |
Madison County | |
Monroe County | |
St. Clair County | |
MISSOURI (Region VII) | |
Franklin County (P) | |
Boles Township | |
Jefferson County | |
St. Charles County | |
St. Louis County | |
St. Louis city | |
Sutter Buttes, CA (Marginal - Nonattainment) | |
CALIFORNIA (Region IX) | |
Sutter County (P) | |
That portion of the Sutter Buttes mountain range at or above 2,000 feet in elevation | |
Tuolumne County, CA (Marginal - Nonattainment) | |
CALIFORNIA (Region IX) | |
Tuolumne County | |
Tuscan Buttes, CA (Marginal (Rural Transport) - Nonattainment) | |
CALIFORNIA (Region IX) | |
Tehama County (P) | |
Those portions of the immediate Tuscan Buttes area at or above 1,800 feet in elevation | |
Uinta Basin, UT (Marginal - Nonattainment) | |
UTAH (Region VIII) | |
Duchesne County (P) | |
Uintah County (P) | |
Ventura County, CA (Serious - Nonattainment) | |
CALIFORNIA (Region IX) | |
Ventura County (P) | |
That part of Ventura County excluding the Channel Islands of Anacapa and San Nicolas Islands | |
Washington, DC-MD-VA (Moderate - Nonattainment) | |
DISTRICT OF COLUMBIA (Region III) | |
District of Columbia | |
MARYLAND (Region III) | |
Calvert County | |
Charles County | |
Frederick County | |
Montgomery County | |
Prince George's County | |
VIRGINIA (Region III) | |
Alexandria city | |
Arlington County | |
Fairfax County | |
Fairfax city | |
Falls Church city | |
Loudoun County | |
Manassas Park city | |
Manassas city | |
Prince William County | |
Yuma, AZ (Marginal - Nonattainment) | |
ARIZONA (Region IX) | |
Yuma County (P) |
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