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8-Hour Ozone (2015) Nonattainment Area State/Area/County Report

Data is current as of October 31, 2020


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


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