Designated 2006 PM-2.5 and 1997 PM-2.5 Nonattainment Areas

As of August 30, 2011

Mouse over the No. Ctys to see the area name; click on them to see the associated counties.

		2006 PM-2.5 Nonattainment Areas				1997 PM-2.5 Nonattainment Areas
State(s)	Area Name	2000 Pop.	No. Ctys	Category/ Class	24-hr Design Value (2006-2008)	2000 Pop.	No. Ctys	Class	Annual Design Value (2001-2003)
AK	Fairbanks	70,940	1	NonAtt	41
AL	Birmingham	807,612	3	NonAtt	39	807,612	3	NonAtt	18.0
AL-TN-GA	Chattanooga					423,809	4	NonAtt	16.1
AZ	Nogales	25,621	1	NonAtt	40
AZ	West Central Pinal	7,838	1	NonAtt	48
CA	Chico	198,921	1	NonAtt	69
CA	Imperial County	123,231	1	NonAtt	36
CA	Los Angeles-South Coast Air Basin	14,593,587	4	NonAtt	49	14,593,587	4	NonAtt	27.8
CA	Sacramento	1,916,480	5	NonAtt	56
CA	San Francisco-Bay Area	6,541,828	9	NonAtt	36
CA	San Joaquin Valley	3,191,367	8	NonAtt	70	3,191,367	8	NonAtt	21.8
CA	Yuba CIty-Marysville	136,522	2	NonAtt	47
DC-MD-VA	Washington					4,377,935	14	NonAtt	15.8
GA	Atlanta					4,231,750	22	NonAtt	18.0
GA	Macon					154,837	2	NonAtt	15.2
GA	Rome, GA					90,565	1	NonAtt	15.7
IL-IN	Chicago-Gary-Lake County					8,757,808	10	NonAtt	17.7
IN	Evansville					277,402	6	NonAtt	16.2
IN	Indianapolis					1,329,185	5	NonAtt	16.7
KY-IN	Louisville					938,905	5	NonAtt	16.9
MD	Baltimore					2,512,431	6	NonAtt	16.7
MI	Detroit-Ann Arbor	4,833,493	7	NonAtt	37	4,833,493	7	NonAtt	19.5
MO-IL	St. Louis					2,486,562	9	NonAtt	17.5
MT	Libby					2,626	1	NonAtt	16.2
NC	Greensboro-Winston-Salem-High Point					568,294	2	NonAtt	15.8
NC	Hickory					141,685	1	NonAtt	15.5
NY-NJ-CT	New York	19,802,587	22	NonAtt	38	19,802,587	22	NonAtt	17.7
OH	Canton-Massillon	378,098	1	NonAtt	see Design Value Notes	378,098	1	NonAtt	17.3
OH	Cleveland-Akron-Lorain	2,752,208	6	NonAtt	38	2,775,447	7	NonAtt	18.3
OH	Columbus					1,448,503	5	NonAtt	16.7
OH	Dayton-Springfield					851,690	3	NonAtt	15.2
OH-KY-IN	Cincinnati-Hamilton					1,850,975	8	NonAtt	17.8
OH-WV	Steubenville-Weirton	132,008	3	NonAtt	41	132,008	3	NonAtt	17.8
OR	Klamath Falls	44,708	1	NonAtt	46
OR	Oakridge	4,036	1	NonAtt	40
PA	Allentown	579,156	2	NonAtt	36
PA	Harrisburg-Lebanon-Carlisle	967,550	4	NonAtt	36	585,799	3	NonAtt	15.8
PA	Johnstown	164,514	2	NonAtt	see Design Value Notes	164,431	2	NonAtt	15.8
PA	Lancaster	470,658	1	NonAtt	37	470,658	1	NonAtt	17.0
PA	Pittsburgh-Beaver Valley	21,519	1	NonAtt	53	21,600	1	NonAtt	21.2
PA		2,195,156	8	NonAtt	36	2,195,054	8	NonAtt	21.2
PA	Reading					373,638	1	NonAtt	16.4
PA	York					381,751	1	NonAtt	17.3
PA-NJ-DE	Philadelphia-Wilmington	5,536,911	9	NonAtt	36	5,536,911	9	NonAtt	16.4
TN	Knoxville	599,009	5	NonAtt	see Design Value Notes	599,008	5	NonAtt	16.8
UT	Provo	367,862	1	NonAtt	44
UT	Salt Lake City	1,405,532	5	NonAtt	48
UT-ID	Logan	102,100	2	NonAtt	36
WA	Seattle-Tacoma	471,590	1	NonAtt	44
WI	Milwaukee-Racine	1,489,762	3	NonAtt	37
WV	Charleston	251,662	2	NonAtt	36	251,662	2	NonAtt	17.1
WV-KY-OH	Huntington-Ashland					340,776	9	NonAtt	17.2
WV-MD	Martinsburg - Hagerstown					207,828	2	NonAtt	16.3
WV-OH	Parkersburg-Marietta					152,912	3	NonAtt	16.0
WV-OH	Wheeling					153,172	3	NonAtt	15.7

Area Name:

The "State(s) Area Name" column contains a common or general name for the nonattainment areas on the row, but may not reflect the exact name of any area on the row. This column cannot be exact since the nonattainment area for one pollutant may not contain the same counties, cities, or states as the nonattainment area for another pollutant on the same row. to see the area name or click on them to see the associated counties. The abbreviations listed in the "State(s)" column reflect all states identified in row. However, some states on a row may be nonattainment for some pollutants and not for others in the general area.

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