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PM-2.5 Nonattainment Areas
(1997 Standard)
As of July 31, 2009
* Design Values for 2001-2003 Period
| Areas Listed Alphabetically | Design Value* (ug/m3) |
No. Counties NAA |
Population | EPA Region |
State |
|---|---|---|---|---|---|
| Atlanta, GA | 18.0 | 22 | 4,231,750 | 4 | GA |
| Baltimore, MD | 16.6 | 6 | 2,512,431 | 3 | MD |
| Birmingham, AL | 17.3 | 3 | 807,612 | 4 | AL |
| Canton-Massillon, OH | 17.3 | 1 | 378,098 | 5 | OH |
| Charleston, WV | 17.1 | 2 | 251,662 | 3 | WV |
| Chattanooga, AL-TN-GA | 16.1 | 4 | 423,809 | 4 | AL-TN-GA |
| Chicago-Gary-Lake County, IL-IN | 17.7 | 10 | 8,757,808 | 5 | IL-IN-WI |
| Cincinnati-Hamilton, OH-KY-IN | 17.8 | 8 | 1,850,975 | 5 4 | OH-KY-IN |
| Cleveland-Akron-Lorain, OH | 18.3 | 7 | 2,775,447 | 5 | OH |
| Columbus, OH | 16.7 | 5 | 1,448,503 | 5 | OH |
| Dayton-Springfield, OH | 15.2 | 3 | 851,690 | 5 | OH |
| Detroit-Ann Arbor, MI | 19.5 | 7 | 4,833,493 | 5 | MI |
| Evansville, IN | 16.2 | 6 | 277,402 | 5 | IN |
| Greensboro-Winston Salem-High Point, NC | 15.8 | 2 | 568,294 | 4 | NC |
| Harrisburg-Lebanon-Carlisle, PA | 15.7 | 3 | 585,799 | 3 | PA |
| Hickory, NC | 15.5 | 1 | 141,685 | 4 | NC |
| Huntington-Ashland, WV-KY-OH | 17.2 | 9 | 340,776 | 3 4 5 | WV-KY-OH |
| Indianapolis, IN | 16.7 | 5 | 1,329,185 | 5 | IN |
| Johnstown, PA | 15.8 | 2 | 164,431 | 3 | PA |
| Knoxville, TN | 16.4 | 5 | 599,008 | 4 | TN |
| Lancaster, PA | 17.0 | 1 | 470,658 | 3 | PA |
| Libby, MT | 16.2 | 1 | 2,626 | 8 | MT |
| Liberty-Clairton, PA | 21.2 | 1 | 21,600 | 3 | PA |
| Los Angeles-South Coast Air Basin, CA | 27.8 | 4 | 14,593,587 | 9 | CA |
| Louisville, KY-IN | 16.9 | 5 | 938,905 | 4 5 | KY-IN |
| Macon, GA | 15.2 | 2 | 154,837 | 4 | GA |
| Martinsburg, WV-Hagerstown, MD | 16.3 | 2 | 207,828 | 3 | WV-MD |
| New York-N. New Jersey-Long Island,NY-NJ-CT | 17.7 | 22 | 19,802,587 | 2 1 3 | NY-NJ-CT |
| Parkersburg-Marietta, WV-OH | 16.0 | 3 | 152,912 | 3 5 | WV-OH |
| Philadelphia-Wilmington, PA-NJ-DE | 16.2 | 9 | 5,536,911 | 3 2 | PA-NJ-DE |
| Pittsburgh-Beaver Valley, PA | 16.9 | 8 | 2,195,054 | 3 | PA |
| Reading, PA | 16.4 | 1 | 373,638 | 3 | PA |
| Rome, GA | 15.6 | 1 | 90,565 | 4 | GA |
| San Joaquin Valley, CA | 21.8 | 8 | 3,191,367 | 9 | CA |
| St. Louis, MO-IL | 17.5 | 9 | 2,486,562 | 7 5 | MO-IL |
| Steubenville-Weirton, OH-WV | 17.8 | 3 | 132,008 | 5 3 | OH-WV |
| Washington, DC-MD-VA | 15.8 | 14 | 4,377,935 | 3 | DC-MD-VA |
| Wheeling, WV-OH | 15.7 | 3 | 153,172 | 3 5 | WV-OH |
| York, PA | 17.0 | 1 | 381,751 | 3 | PA |
| 39 Total Areas | 208 | 88,394,361 | |||