U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
State |
Area Name |
Pollutant Standard* |
Alabama |
Birmingham, AL |
Ozone_8-hr.1997.Birmingham |
Alabama |
Birmingham, AL |
PM-2.5.1997.Birmingham |
Alabama |
Birmingham, AL |
PM-2.5.2006.Birmingham |
Alaska |
Fairbanks, AK |
PM-2.5.2006.Fairbanks |
Arizona |
Nogales, AZ |
PM-2.5.2006.Nogales |
Arizona |
Phoenix-Mesa, AZ |
Ozone_8-hr.1997.Phoenix |
Arkansas |
Memphis, TN-AR |
Ozone_8-hr.1997.Memphis |
California |
Amador and Calaveras Cos., CA: (Central Moun |
Ozone_8-hr.1997.Amador_and_Calaveras_Cos |
California |
Chico, CA |
Ozone_8-hr.1997.Chico |
California |
Chico, CA |
PM-2.5.2006.Chico |
California |
Imperial Co, CA |
PM-2.5.2006.Imperial_Co |
California |
Imperial Co., CA |
Ozone_8-hr.1997.Imperial_Co |
California |
Kern County (Eastern Kern), CA |
Ozone_8-hr.1997.East_Kern |
California |
Los Angeles, CA |
PM-2.5.2006.LA-South_Coast |
California |
Los Angeles-San Bernardino Cos. (W Mojave De |
Ozone_8-hr.1997.LA-Desert |
California |
Los Angeles-South Coast Air Basin, CA |
Ozone_8-hr.1997.LA-South_Coast |
California |
Los Angeles-South Coast Air Basin, CA |
PM-2.5.1997.LA-South_Coast |
California |
Mariposa and Tuolumne Cos., CA: (Southern Mo |
Ozone_8-hr.1997.Mariposa_and_Tuolumne_Cos |
California |
Nevada County (Western part), CA |
Ozone_8-hr.1997.Nevada_Co |
California |
Riverside Co. (Coachella Valley), CA |
Ozone_8-hr.1997.Coachella_Valley |
California |
Sacramento Metro, CA |
Ozone_8-hr.1997.Sacramento |
California |
Sacramento, CA |
PM-2.5.2006.Sacramento |
California |
San Diego, CA |
Ozone_8-hr.1997.San_Diego |
California |
San Francisco Bay Area, CA |
Ozone_8-hr.1997.San_Francisco |
California |
San Francisco Bay Area, CA |
PM-2.5.2006.San_Francisco |
California |
San Joaquin Valley, CA |
Ozone_8-hr.1997.San_Joaquin_Valley |
California |
San Joaquin Valley, CA |
PM-2.5.1997.San_Joaquin_Valley |
California |
San Joaquin Valley, CA |
PM-2.5.2006.San_Joaquin_Valley |
California |
Sutter County (Sutter Buttes), CA |
Ozone_8-hr.1997.Sutter_Buttes |
California |
Ventura County, CA |
Ozone_8-hr.1997.Ventura_Co |
California |
Yuba City-Marysville, CA |
PM-2.5.2006.Yuba_City |
Colorado |
Denver-Boulder-Greeley-Ft.Collins-Love., CO |
Ozone_8-hr.1997.Denver |
Connecticut |
Greater Connecticut, CT |
Ozone_8-hr.1997.Connecticut |
Connecticut |
New York, NY-NJ-CT |
PM-2.5.2006.New_York |
Connecticut |
New York-N. New Jersey-Long Island, NY-NJ-CT |
Ozone_8-hr.1997.New_York |
Connecticut |
New York-N. New Jersey-Long Island, NY-NJ-CT |
PM-2.5.1997.New_York |
Delaware |
Philadelphia-Wilmington-Atlantic Ci, PA-NJ-M |
Ozone_8-hr.1997.Philadelphia |
Delaware |
Philadelphia-Wilmington, PA-NJ-DE |
PM-2.5.1997.Philadelphia |
Delaware |
Philadelphia-Wilmington, PA-NJ-DE |
PM-2.5.2006.Philadelphia |
District of Columbia |
Washington, DC-MD-VA |
Ozone_8-hr.1997.Washington |
District of Columbia |
Washington, DC-MD-VA |
PM-2.5.1997.Washington |
Georgia |
Atlanta, GA |
Ozone_8-hr.1997.Atlanta |
Georgia |
Atlanta, GA |
PM-2.5.1997.Atlanta |
Georgia |
Chattanooga, TN-GA |
Ozone_8-hr.1997.Chattanooga |
Georgia |
Chattanooga, TN-GA |
PM-2.5.1997.Chattanooga |
Georgia |
Macon, GA |
Ozone_8-hr.1997.Macon |
Georgia |
Macon, GA |
PM-2.5.1997.Macon |
Georgia |
Murray Co. (Chattahoochee Nat Forest), GA |
Ozone_8-hr.1997.Murray_Co |
Georgia |
Rome, GA |
PM-2.5.1997.Rome |
Idaho |
Logan, UT-ID |
PM-2.5.2006.Logan |
Illinois |
Chicago-Gary-Lake County, IL-IN |
Ozone_8-hr.1997.Chicago |
Illinois |
Chicago-Gary-Lake County, IL-IN |
PM-2.5.1997.Chicago |
Illinois |
St. Louis, MO-IL |
Ozone_8-hr.1997.St_Louis |
Illinois |
St. Louis, MO-IL |
PM-2.5.1997.St_Louis |
Indiana |
Chicago-Gary-Lake County, IL-IN |
Ozone_8-hr.1997.Chicago |
Indiana |
Chicago-Gary-Lake County, IL-IN |
PM-2.5.1997.Chicago |
Indiana |
Cincinnati-Hamilton, OH-KY-IN |
Ozone_8-hr.1997.Cincinnati |
Indiana |
Cincinnati-Hamilton, OH-KY-IN |
PM-2.5.1997.Cincinnati |
Indiana |
Evansville, IN |
Ozone_8-hr.1997.Evansville |
Indiana |
Evansville, IN |
PM-2.5.1997.Evansville |
Indiana |
Fort Wayne, IN |
Ozone_8-hr.1997.Fort_Wayne |
Indiana |
Greene Co., IN |
Ozone_8-hr.1997.Greene_Co_IN |
Indiana |
Indianapolis, IN |
Ozone_8-hr.1997.Indianapolis |
Indiana |
Indianapolis, IN |
PM-2.5.1997.Indianapolis |
Indiana |
Jackson Co., IN |
Ozone_8-hr.1997.Jackson_Co |
Indiana |
La Porte Co., IN |
Ozone_8-hr.1997.La_Porte_Co |
Indiana |
Louisville, KY-IN |
Ozone_8-hr.1997.Louisville |
Indiana |
Louisville, KY-IN |
PM-2.5.1997.Louisville |
Indiana |
Muncie, IN |
Ozone_8-hr.1997.Muncie |
Indiana |
South Bend-Elkhart, IN |
Ozone_8-hr.1997.South_Bend |
Indiana |
Terre Haute, IN |
Ozone_8-hr.1997.Terre_Haute |
Kentucky |
Cincinnati-Hamilton, OH-KY-IN |
Ozone_8-hr.1997.Cincinnati |
Kentucky |
Cincinnati-Hamilton, OH-KY-IN |
PM-2.5.1997.Cincinnati |
Kentucky |
Clarkesville-Hopkinsville, TN-KY |
Ozone_8-hr.1997.Clarksville |
Kentucky |
Huntington-Ashland, WV-KY |
Ozone_8-hr.1997.Huntington |
Kentucky |
Huntington-Ashland, WV-KY-OH |
PM-2.5.1997.Huntington |
Kentucky |
Louisville, KY-IN |
Ozone_8-hr.1997.Louisville |
Kentucky |
Louisville, KY-IN |
PM-2.5.1997.Louisville |
Louisiana |
Baton Rouge, LA |
Ozone_8-hr.1997.Baton_Rouge |
Maine |
Hancock, Knox, Lincoln and Waldo Cos., ME |
Ozone_8-hr.1997.Central_Maine_Coast |
Maine |
Portland, ME |
Ozone_8-hr.1997.Portland_ME |
Maryland |
Baltimore, MD |
Ozone_8-hr.1997.Baltimore |
Maryland |
Baltimore, MD |
PM-2.5.1997.Baltimore |
Maryland |
Kent and Queen Anne's Cos., MD |
Ozone_8-hr.1997.Kent_and_Queen_Annes_Cos |
Maryland |
Martinsburg, WV-Hagerstown, MD |
PM-2.5.1997.Hagerstown |
Maryland |
Philadelphia-Wilmington-Atlantic Ci, PA-NJ-M |
Ozone_8-hr.1997.Philadelphia |
Maryland |
Washington, DC-MD-VA |
Ozone_8-hr.1997.Washington |
Maryland |
Washington, DC-MD-VA |
PM-2.5.1997.Washington |
Massachusetts |
Boston-Lawrence-Worcester (E. Mass), MA |
Ozone_8-hr.1997.Boston_MA |
Massachusetts |
Boston-Manchester-Portsmouth (SE), NH |
Ozone_8-hr.1997.Boston_NH |
Massachusetts |
Springfield (W. Mass), MA |
Ozone_8-hr.1997.Springfield |
Michigan |
Allegan Co., MI |
Ozone_8-hr.1997.Allegan_Co |
Michigan |
Benton Harbor, MI |
Ozone_8-hr.1997.Benton_Harbor |
Michigan |
Benzie Co., MI |
Ozone_8-hr.1997.Benzie_Co |
Michigan |
Cass County, MI |
Ozone_8-hr.1997.Cass_Co |
Michigan |
Detroit-Ann Arbor, MI |
Ozone_8-hr.1997.Detroit |
Michigan |
Detroit-Ann Arbor, MI |
PM-2.5.1997.Detroit |
Michigan |
Detroit-Ann Arbor, MI |
PM-2.5.2006.Detroit |
Michigan |
Flint, MI |
Ozone_8-hr.1997.Flint |
Michigan |
Grand Rapids, MI |
Ozone_8-hr.1997.Grand_Rapids |
Michigan |
Huron Co., MI |
Ozone_8-hr.1997.Huron_Co |
Michigan |
Kalamazoo-Battle Creek, MI |
Ozone_8-hr.1997.Kalamazoo |
Michigan |
Lansing-East Lansing, MI |
Ozone_8-hr.1997.Lansing |
Michigan |
Mason Co, MI |
Ozone_8-hr.1997.Mason_Co |
Michigan |
Muskegon, MI |
Ozone_8-hr.1997.Muskegon |
Missouri |
St. Louis, MO-IL |
Ozone_8-hr.1997.St_Louis |
Missouri |
St. Louis, MO-IL |
PM-2.5.1997.St_Louis |
Montana |
Libby, MT |
PM-2.5.1997.Libby |
Nevada |
Las Vegas, NV |
Ozone_8-hr.1997.Las_Vegas |
New Hampshire |
Boston-Manchester-Portsmouth (SE), NH |
Ozone_8-hr.1997.Boston_NH |
New Jersey |
New York, NY-NJ-CT |
PM-2.5.2006.New_York |
New Jersey |
New York-N. New Jersey-Long Island, NY-NJ-CT |
Ozone_8-hr.1997.New_York |
New Jersey |
New York-N. New Jersey-Long Island, NY-NJ-CT |
PM-2.5.1997.New_York |
New Jersey |
Philadelphia-Wilmington, PA-NJ-DE |
PM-2.5.1997.Philadelphia |
New Jersey |
Philadelphia-Wilmington, PA-NJ-DE |
PM-2.5.2006.Philadelphia |
New Jersey |
Philadelphia-Wilmington-Atlantic Ci, PA-NJ-M |
Ozone_8-hr.1997.Philadelphia |
New York |
Albany-Schenectady-Troy, NY |
Ozone_8-hr.1997.Albany |
New York |
Buffalo-Niagara Falls, NY |
Ozone_8-hr.1997.Buffalo |
New York |
Essex County (Whiteface Mtn.), NY |
Ozone_8-hr.1997.Whiteface_Mountain |
New York |
Jamestown, NY |
Ozone_8-hr.1997.Jamestown |
New York |
Jefferson County, NY |
Ozone_8-hr.1997.Jefferson_Co |
New York |
New York, NY-NJ-CT |
PM-2.5.2006.New_York |
New York |
New York-N. New Jersey-Long Island, NY-NJ-CT |
Ozone_8-hr.1997.New_York |
New York |
New York-N. New Jersey-Long Island, NY-NJ-CT |
PM-2.5.1997.New_York |
New York |
Poughkeepsie, NY |
Ozone_8-hr.1997.Poughkeepsie |
New York |
Rochester, NY |
Ozone_8-hr.1997.Rochester |
North Carolina |
Charlotte-Gastonia-Rock Hill, NC-SC |
Ozone_8-hr.1997.Charlotte |
North Carolina |
Greensboro-Winston-Salem-High Point, NC |
PM-2.5.1997.Greensboro |
North Carolina |
Haywood and Swain Cos. (Great Smoky NP), NC |
Ozone_8-hr.1997.Haywood_and_Swain_Cos |
North Carolina |
Hickory-Morganton-Lenoir, NC |
PM-2.5.1997.Hickory |
North Carolina |
Raleigh-Durham-Chapel Hill, NC |
Ozone_8-hr.1997.Raleigh |
North Carolina |
Rocky Mount, NC |
Ozone_8-hr.1997.Rocky_Mount |
Ohio |
Canton-Massillon, OH |
Ozone_8-hr.1997.Canton |
Ohio |
Canton-Massillon, OH |
PM-2.5.1997.Canton |
Ohio |
Canton-Massillon, OH |
PM-2.5.2006.Canton |
Ohio |
Cincinnati-Hamilton, OH-KY-IN |
Ozone_8-hr.1997.Cincinnati |
Ohio |
Cincinnati-Hamilton, OH-KY-IN |
PM-2.5.1997.Cincinnati |
Ohio |
Cleveland-Akron-Lorain, OH |
Ozone_8-hr.1997.Cleveland |
Ohio |
Cleveland-Akron-Lorain, OH |
PM-2.5.1997.Cleveland |
Ohio |
Cleveland-Akron-Lorain, OH |
PM-2.5.2006.Cleveland |
Ohio |
Columbus, OH |
Ozone_8-hr.1997.Columbus |
Ohio |
Columbus, OH |
PM-2.5.1997.Columbus |
Ohio |
Dayton-Springfield, OH |
Ozone_8-hr.1997.Dayton |
Ohio |
Dayton-Springfield, OH |
PM-2.5.1997.Dayton |
Ohio |
Huntington-Ashland, WV-KY-OH |
PM-2.5.1997.Huntington |
Ohio |
Lima, OH |
Ozone_8-hr.1997.Lima |
Ohio |
Parkersburg-Marietta, WV-OH |
Ozone_8-hr.1997.Parkersburg |
Ohio |
Parkersburg-Marietta, WV-OH |
PM-2.5.1997.Parkersburg |
Ohio |
Steubenville-Weirton, OH-WV |
Ozone_8-hr.1997.Weirton |
Ohio |
Steubenville-Weirton, OH-WV |
PM-2.5.1997.Weirton |
Ohio |
Steubenville-Weirton, OH-WV |
PM-2.5.2006.Weirton |
Ohio |
Toledo, OH |
Ozone_8-hr.1997.Toledo |
Ohio |
Wheeling, WV-OH |
Ozone_8-hr.1997.Wheeling |
Ohio |
Wheeling, WV-OH |
PM-2.5.1997.Wheeling |
Ohio |
Youngstown-Warren-Sharon, PA-OH |
Ozone_8-hr.1997.Youngstown |
Oregon |
Klamath Falls, OR |
PM-2.5.2006.Klamath_Falls |
Oregon |
Oakridge, OR |
PM-2.5.2006.Oakridge |
Pennsylvania |
Allentown, PA |
PM-2.5.2006.Allentown |
Pennsylvania |
Allentown-Bethlehem-Easton, PA |
Ozone_8-hr.1997.Allentown |
Pennsylvania |
Altoona, PA |
Ozone_8-hr.1997.Altoona |
Pennsylvania |
Clearfield & Indiana Cos., PA |
Ozone_8-hr.1997.Clearfield_and_Indiana_Cos |
Pennsylvania |
Erie, PA |
Ozone_8-hr.1997.Erie |
Pennsylvania |
Franklin Co., PA |
Ozone_8-hr.1997.Franklin_Co |
Pennsylvania |
Greene Co., PA |
Ozone_8-hr.1997.Greene_Co_PA |
Pennsylvania |
Harrisburg-Lebanon-Carlisle, PA |
Ozone_8-hr.1997.Harrisburg |
Pennsylvania |
Harrisburg-Lebanon-Carlisle, PA |
PM-2.5.1997.Harrisburg |
Pennsylvania |
Harrisburg-Lebanon-Carlisle-York, PA |
PM-2.5.2006.Harrisburg |
Pennsylvania |
Johnstown, PA |
Ozone_8-hr.1997.Johnstown |
Pennsylvania |
Johnstown, PA |
PM-2.5.1997.Johnstown |
Pennsylvania |
Johnstown, PA |
PM-2.5.2006.Johnstown |
Pennsylvania |
Lancaster, PA |
Ozone_8-hr.1997.Lancaster |
Pennsylvania |
Lancaster, PA |
PM-2.5.1997.Lancaster |
Pennsylvania |
Lancaster, PA |
PM-2.5.2006.Lancaster |
Pennsylvania |
Philadelphia-Wilmington, PA-NJ-DE |
PM-2.5.1997.Philadelphia |
Pennsylvania |
Philadelphia-Wilmington, PA-NJ-DE |
PM-2.5.2006.Philadelphia |
Pennsylvania |
Philadelphia-Wilmington-Atlantic Ci, PA-NJ-M |
Ozone_8-hr.1997.Philadelphia |
Pennsylvania |
Pittsburgh-Beaver Valley, PA |
Ozone_8-hr.1997.Pittsburgh |
Pennsylvania |
Pittsburgh-Beaver Valley, PA |
PM-2.5.1997.Pittsburgh |
Pennsylvania |
Pittsburgh-Beaver Valley, PA |
PM-2.5.2006.Pittsburgh |
Pennsylvania |
Reading, PA |
Ozone_8-hr.1997.Reading |
Pennsylvania |
Reading, PA |
PM-2.5.1997.Reading |
Pennsylvania |
Scranton-Wilkes-Barre, PA |
Ozone_8-hr.1997.Scranton |
Pennsylvania |
State College, PA |
Ozone_8-hr.1997.State_College |
Pennsylvania |
Tioga Co., PA |
Ozone_8-hr.1997.Tioga_Co |
Pennsylvania |
York, PA |
Ozone_8-hr.1997.York |
Pennsylvania |
York, PA |
PM-2.5.1997.York |
Pennsylvania |
Youngstown-Warren-Sharon, PA-OH |
Ozone_8-hr.1997.Youngstown |
Rhode Island |
Providence (all of RI), RI |
Ozone_8-hr.1997.Providence |
South Carolina |
Charlotte-Gastonia-Rock Hill, NC-SC |
Ozone_8-hr.1997.Charlotte |
South Carolina |
Greenville-Spartanburg-Anderson, SC |
Ozone_8-hr.1997.Greenville |
Tennessee |
Chattanooga, TN-GA |
PM-2.5.1997.Chattanooga |
Tennessee |
Clarkesville-Hopkinsville, TN-KY |
Ozone_8-hr.1997.Clarksville |
Tennessee |
Knoxville, TN |
Ozone_8-hr.1997.Knoxville |
Tennessee |
Knoxville, TN |
PM-2.5.1997.Knoxville |
Tennessee |
Knoxville-Sevierville-La Follette, TN |
PM-2.5.2006.Knoxville |
Tennessee |
Memphis, TN-AR |
Ozone_8-hr.1997.Memphis |
Texas |
Beaumont/Port Arthur, TX |
Ozone_8-hr.1997.Beaumont |
Texas |
Dallas-Fort Worth, TX |
Ozone_8-hr.1997.Dallas |
Texas |
Houston-Galveston-Brazoria, TX |
Ozone_8-hr.1997.Houston |
Utah |
Logan, UT-ID |
PM-2.5.2006.Logan |
Utah |
Provo, UT |
PM-2.5.2006.Provo |
Utah |
Salt Lake City, UT |
PM-2.5.2006.Salt_Lake |
Virginia |
Fredericksburg, VA |
Ozone_8-hr.1997.Fredericksburg |
Virginia |
Madison & Page Cos. (Shenandoah NP), VA |
Ozone_8-hr.1997.Madison_and_Page_Cos |
Virginia |
Norfolk-Virginia Beach-Newport News (Hampton |
Ozone_8-hr.1997.Norfolk |
Virginia |
Richmond-Petersburg, VA |
Ozone_8-hr.1997.Richmond |
Virginia |
Washington, DC-MD-VA |
Ozone_8-hr.1997.Washington |
Virginia |
Washington, DC-MD-VA |
PM-2.5.1997.Washington |
Washington |
Seattle-Tacoma, WA |
PM-2.5.2006.Tacoma |
West Virginia |
Charleston, WV |
Ozone_8-hr.1997.Charleston |
West Virginia |
Charleston, WV |
PM-2.5.1997.Charleston |
West Virginia |
Charleston, WV |
PM-2.5.2006.Charleston |
West Virginia |
Huntington-Ashland, WV-KY |
Ozone_8-hr.1997.Huntington |
West Virginia |
Huntington-Ashland, WV-KY-OH |
PM-2.5.1997.Huntington |
West Virginia |
Martinsburg, WV-Hagerstown, MD |
PM-2.5.1997.Hagerstown |
West Virginia |
Parkersburg-Marietta, WV-OH |
Ozone_8-hr.1997.Parkersburg |
West Virginia |
Parkersburg-Marietta, WV-OH |
PM-2.5.1997.Parkersburg |
West Virginia |
Steubenville-Weirton, OH-WV |
Ozone_8-hr.1997.Weirton |
West Virginia |
Steubenville-Weirton, OH-WV |
PM-2.5.1997.Weirton |
West Virginia |
Steubenville-Weirton, OH-WV |
PM-2.5.2006.Weirton |
West Virginia |
Wheeling, WV-OH |
Ozone_8-hr.1997.Wheeling |
West Virginia |
Wheeling, WV-OH |
PM-2.5.1997.Wheeling |
Wisconsin |
Door County, WI |
Ozone_8-hr.1997.Door_Co |
Wisconsin |
Kewaunee County, WI |
Ozone_8-hr.1997.Kewaunee_Co |
Wisconsin |
Manitowoc County, WI |
Ozone_8-hr.1997.Manitowoc_Co |
Wisconsin |
Milwaukee-Racine, WI |
Ozone_8-hr.1997.Milwaukee |
Wisconsin |
Milwaukee-Racine, WI |
PM-2.5.2006.Milwaukee |
Wisconsin |
Sheboygan, WI |
Ozone_8-hr.1997.Sheboygan |
* Pollutant standards are designated by the Environmental Protection Agency. More information can be found online at: http://www.epa.gov/air/criteria.html.