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Designated 2006 PM-2.5 Nonattainment Areas Current Air Quality Design Value Compared to Designated Design Value
As of March 30, 2012All of the areas designated nonattainment for the 2006 PM-2.5 standard violated the 24-hour standard. | DV Notes
| Areas Listed Alphabetically | Design Values at Designation |
Current Design Values |
No. Counties NAA |
2010 Population |
EPA Region |
State |
|---|---|---|---|---|---|---|
| (2006-2008) | (2008-2010) | |||||
| 24-hr | 24-hr | |||||
| (ug/m3) | (ug/m3) | |||||
| Allentown, PA | 36 | 32 | 2 | 647,232 | 3 | PA |
| Birmingham, AL | 39 | 29 | 3 | 857,680 | 4 | AL |
| Canton-Massillon, OH | See note 3 DV Notes |
See note 4 DV Notes |
1 | 375,586 | 5 | OH |
| Charleston, WV | 36 | 28 | 2 | 248,549 | 3 | WV |
| Chico, CA | 69 | 51 | 1 | 217,626 | 9 | CA |
| Cleveland-Akron-Lorain, OH | 38 | See note 4 DV Notes |
6 | 2,687,051 | 5 | OH |
| Detroit-Ann Arbor, MI | 37 | 32 | 7 | 4,704,743 | 5 | MI |
| Fairbanks, AK | 41 | 63 | 1 | 87,456 | 10 | AK |
| Harrisburg-Lebanon-Carlisle-York, PA | 36 | 33 | 4 | 1,072,046 | 3 | PA |
| Imperial Co, CA | 36 | See note 4 DV Notes |
1 | 154,061 | 9 | CA |
| Johnstown, PA | See note 3 DV Notes |
30 | 2 | 156,923 | 3 | PA |
| Klamath Falls, OR | 46 | 45 | 1 | 46,969 | 10 | OR |
| Knoxville-Sevierville-La Follette, TN | See note 3 DV Notes |
25 | 5 | 681,523 | 4 | TN |
| Lancaster, PA | 37 | 33 | 1 | 519,445 | 3 | PA |
| Liberty-Clairton, PA | 53 | 48 | 1 | 20,789 | 3 | PA |
| Logan, UT-ID | 36 | 46 | 2 | 125,198 | 8 10 | UT-ID |
| Los Angeles-South Coast Air Basin, CA | 49 | 41 | 4 | 15,716,242 | 9 | CA |
| Milwaukee-Racine, WI | 37 | See note 4 DV Notes |
3 | 1,533,034 | 5 | WI |
| New York-N. New Jersey-Long Island, NY-NJ-CT | 38 | See note 4 DV Notes |
22 | 20,404,481 | 2 1 3 | NY-NJ-CT |
| Nogales, AZ | 40 | 32 | 1 | 30,622 | 9 | AZ |
| Oakridge, OR | 40 | 38 | 1 | 4,261 | 10 | OR |
| Philadelphia-Wilmington, PA-NJ-DE | 36 | See note 4 DV Notes |
9 | 5,798,152 | 3 2 | PA-NJ-DE |
| Pittsburgh-Beaver Valley, PA | 36 | See note 4 DV Notes |
8 | 2,142,981 | 3 | PA |
| Provo, UT | 44 | 41 | 1 | 517,537 | 8 | UT |
| Sacramento, CA | 56 | 40 | 5 | 2,206,060 | 9 | CA |
| Salt Lake City, UT | 48 | 45 | 5 | 1,665,137 | 8 | UT |
| San Francisco Bay Area, CA | 36 | 31 | 9 | 6,971,067 | 9 | CA |
| San Joaquin Valley, CA | 70 | 65 | 8 | 3,842,165 | 9 | CA |
| Steubenville-Weirton, OH-WV | 41 | 31 | 3 | 124,454 | 5 3 | OH-WV |
| Tacoma, WA | 44 | 38 | 1 | 539,682 | 10 | WA |
| West Central Pinal, AZ | 48 | 31 | 1 | 52,314 | 9 | AZ |
| Yuba City-Marysville, CA | 47 | 36 | 2 | 164,955 | 9 | CA |
| 32 Total Areas | 121 | 74,316,021 | ||||
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