Currently Designated Nonattainment Areas for All Criteria Pollutants
As of March 12, 2009
8-Hr Ozone classified area designations are effective on June 15, 2004. Thirteen (13) 8-Hr EAC areas were designated attainment on April 15, 2008.
8-hr Ozone Categorization/Classification Notes
|
View Notes
Mouse over the No. Ctys to see the area name; click on them to see the associated counties. Population in 1000's.
|
8-HR OZONE |
PARTICULATE MATTER-2.5 |
PARTICULATE MATTER-10 |
CARBON MONOXIDE |
SULFUR DIOXIDE |
LEAD |
State(s) |
Area Name |
2000 Pop. |
No. Ctys |
Category/ Class |
2000 Pop. |
No. Ctys |
Class |
2000 Pop. |
No. Ctys |
Class |
2000 Pop. |
No. Ctys |
Class |
2000 Pop. |
No. Ctys |
Class |
2000 Pop. |
No. Ctys |
Class |
AK |
Anchorage
|
|
|
|
|
  |
|
195 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
AK |
Juneau
|
|
|
|
|
  |
|
14 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
AL |
Birmingham
|
|
|
|
808 |
3 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
AZ |
Ajo
|
|
|
|
|
  |
|
8 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
AZ |
Douglas (Cochise County)
|
|
|
|
|
  |
|
16 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
AZ |
Hayden/Miami
|
|
|
|
|
  |
|
15 |
1 |
Mod |
|
  |
|
4 |
1 |
P |
|
  |
|
AZ |
Nogales
|
|
|
|
|
  |
|
25 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
AZ |
Phoenix-Mesa
|
3,086 |
2 |
Subpar |
|
  |
|
3,112 |
2 |
Ser |
|
  |
|
|
|
|
|
  |
|
AZ |
Rillito (Pima County)
|
|
|
|
|
  |
|
1 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
AZ |
Yuma
|
|
|
|
|
  |
|
82 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
CA |
Amador and Calaveras Cos (Central Mtn),
|
76 |
2 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
CA |
Chico
|
203 |
1 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
CA |
Imperial County
|
142 |
1 |
Mod |
|
  |
|
120 |
1 |
Ser |
|
  |
|
|
|
|
|
  |
|
CA |
Kern Co (Eastern Kern)
|
99 |
1 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
CA |
Los Angeles-San Bernardino Cos(W Mojave)
|
656 |
2 |
Mod |
|
  |
|
199 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
CA |
Los Angeles-South Coast Air Basin
|
14,594 |
4 |
Sev7 |
14,594 |
4 |
NonAtt |
14,594 |
4 |
Ser |
|
  |
|
|
|
|
|
  |
|
CA |
Mariposa and Tuolumne Cos (Southern Mtn)
|
72 |
2 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
CA |
Mono County
|
|
|
|
|
  |
|
6 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
|
|
|
|
|
|
  |
|
0 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
CA |
Nevada Co. (Western Part)
|
78 |
1 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
CA |
Owens Valley
|
|
|
|
|
  |
|
7 |
1 |
Ser |
|
  |
|
|
|
|
|
  |
|
CA |
Riverside Co, (Coachella Valley) [See Footnot
|
325 |
1 |
Ser |
|
  |
|
182 |
1 |
Ser |
|
  |
|
|
|
|
|
  |
|
CA |
Sacramento Metro
|
1,978 |
6 |
Ser |
|
  |
|
1,223 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
CA |
San Diego
|
2,813 |
1 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
CA |
San Francisco-Bay Area
|
6,542 |
9 |
Mar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
CA |
San Joaquin Valley
|
3,191 |
8 |
Ser |
3,191 |
8 |
NonAtt |
99 |
1 |
Ser |
|
  |
|
|
|
|
|
  |
|
CA |
Searles Valley
|
|
|
|
|
  |
|
7 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
|
|
|
|
|
|
  |
|
4 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
CA |
Sutter Co (Sutter Buttes)
|
0 |
1 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
CA |
Ventura County
|
753 |
1 |
Ser |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
CO |
Denver-Boulder-Greeley-Ft Collins-Love.
|
2,812 |
9 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
CT |
Greater Connecticut
|
1,544 |
5 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
DC-MD-VA |
Washington
|
4,452 |
15 |
Mod |
4,378 |
14 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
GA |
Atlanta
|
4,228 |
20 |
Mod |
4,232 |
22 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
GA |
Macon
|
|
|
|
155 |
2 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
GA |
Rome, GA
|
|
|
|
91 |
1 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
GU |
Piti Power Plant
|
|
|
|
|
  |
|
|
  |
|
|
  |
|
1 |
1 |
P |
|
  |
|
GU |
Tanguisson Power Plant
|
|
|
|
|
  |
|
|
  |
|
|
  |
|
1 |
1 |
P |
|
  |
|
ID |
Bonner County (Sandpoint)
|
|
|
|
|
  |
|
37 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
ID |
Pocatello
|
|
|
|
|
  |
|
1 |
2 |
Mod |
|
  |
|
|
|
|
|
  |
|
ID |
Shoshone County
|
|
|
|
|
  |
|
2 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
|
|
|
|
|
|
  |
|
10 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
IL-IN |
Chicago-Gary-Lake County
|
8,758 |
10 |
Mod |
8,758 |
10 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
IN |
Evansville
|
|
|
|
277 |
6 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
IN |
Indianapolis
|
|
|
|
1,329 |
5 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
KY-IN |
Louisville
|
|
|
|
939 |
5 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
LA |
Baton Rouge
|
636 |
5 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
MA |
Boston-Lawrence-Worcester (E. Mass)
|
5,534 |
10 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
MA |
Springfield (Western Mass)
|
815 |
4 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
MD |
Baltimore
|
2,512 |
6 |
Mod |
2,512 |
6 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
MD |
Washington County (Hagerstown), MD
|
|
|
|
208 |
2 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
MI |
Allegan County
|
106 |
1 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
MI |
Detroit-Ann Arbor
|
4,932 |
8 |
Mar |
4,833 |
7 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
MO-IL |
St. Louis
|
2,505 |
9 |
Mod |
2,487 |
9 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
2 |
1 |
NonAtt |
MT |
Billings/Laurel
|
|
|
|
|
  |
|
|
  |
|
|
  |
|
6 |
1 |
P |
|
  |
|
MT |
Butte
|
|
|
|
|
  |
|
35 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
MT |
Columbia Falls (Flathead County)
|
|
|
|
|
  |
|
4 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
MT |
East Helena
|
|
|
|
|
  |
|
|
  |
|
|
  |
|
2 |
1 |
P,S |
2 |
1 |
NonAtt |
MT |
Kalispell (Flathead County)
|
|
|
|
|
  |
|
15 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
MT |
Lame Deer
|
|
|
|
|
  |
|
1 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
MT |
Libby
|
|
|
|
3 |
1 |
NonAtt |
3 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
MT |
Missoula
|
|
|
|
|
  |
|
52 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
MT |
Polson (Lake County)
|
|
|
|
|
  |
|
4 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
MT |
Ronan (Lake County)
|
|
|
|
|
  |
|
3 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
MT |
Thompson Falls
|
|
|
|
|
  |
|
1 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
MT |
Whitefish (Flathead County)
|
|
|
|
|
  |
|
5 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
NC |
Greensboro-Winston-Salem-High Point
|
|
|
|
568 |
2 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
NC |
Haywood and Swain Cos (Great Smoky Mtn NP)
|
0 |
2 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
NC |
Hickory-Morganton-Lenoir
|
|
|
|
142 |
1 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
NC-SC |
Charlotte-Gastonia-Rock Hill
|
1,477 |
8 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
NH |
Boston-Manchester-Portsmouth(SE)
|
697 |
4 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
NM |
Anthony
|
|
|
|
|
  |
|
3 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
NV |
Las Vegas
|
1,349 |
1 |
Subpar |
|
  |
|
1,376 |
1 |
Ser |
479 |
1 |
Ser |
|
|
|
|
  |
|
NV |
Reno
|
|
|
|
|
  |
|
339 |
1 |
Ser |
|
  |
|
|
|
|
|
  |
|
NY |
Albany-Schenectady-Troy
|
924 |
7 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
NY |
Buffalo-Niagara Falls
|
1,170 |
2 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
NY |
Essex County; Whiteface Mountain
|
1 |
1 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
NY |
Jamestown
|
140 |
1 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
NY |
Jefferson County
|
112 |
1 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
NY |
Poughkeepsie
|
717 |
3 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
NY |
Rochester
|
1,098 |
6 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
NY-NJ-CT |
New York-N. New Jersey-Long Island
|
19,634 |
24 |
Mod |
19,803 |
22 |
NonAtt |
1,537 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
OH |
Canton-Massillon
|
|
|
|
378 |
1 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
OH |
Cleveland-Akron-Lorain
|
2,946 |
8 |
Mod |
2,775 |
7 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
OH |
Columbus
|
1,542 |
6 |
Subpar |
1,449 |
5 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
OH |
Dayton-Springfield
|
|
|
|
852 |
3 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
OH-KY-IN |
Cincinnati-Hamilton
|
1,892 |
9 |
Subpar |
1,851 |
8 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
OH-WV |
Steubenville-Weirton
|
|
|
|
132 |
3 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
OR |
Eugene-Springfield
|
|
|
|
|
  |
|
179 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
OR |
Oakridge
|
|
|
|
|
  |
|
3 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
PA |
Allentown-Bethlehem-Easton
|
|
|
|
|
  |
|
|
  |
|
|
  |
|
102 |
1 |
P,S |
|
  |
|
PA |
Clearfield and Indiana Cos
|
173 |
2 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
PA |
Greene County
|
41 |
1 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
PA |
Harrisburg-Lebanon-Carlisle
|
|
|
|
586 |
3 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
PA |
Johnstown
|
|
|
|
164 |
2 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
PA |
Lancaster
|
|
|
|
471 |
1 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
PA |
Pittsburgh-Beaver Valley
|
2,431 |
7 |
Subpar |
22 |
1 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
|
|
|
|
|
2,195 |
8 |
NonAtt |
|
  |
|
|
  |
|
5 |
1 |
P |
|
  |
|
PA |
Reading
|
|
|
|
374 |
1 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
PA |
York
|
|
|
|
382 |
1 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
PA-NJ-MD-DE |
Philadelphia-Wilmin-Atlantic City
|
7,333 |
18 |
Mod |
5,537 |
9 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
PR |
Guaynabo County
|
|
|
|
|
  |
|
92 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
RI |
Providence (all of RI)
|
1,048 |
5 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
TN |
Knoxville
|
714 |
7 |
Subpar |
599 |
5 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
TN-AR |
Memphis
|
948 |
2 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
TN-GA |
Chattanooga
|
|
|
|
424 |
4 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
TX |
Beaumont-Port Arthur
|
385 |
3 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
TX |
Dallas-Fort Worth
|
5,031 |
9 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
TX |
El Paso
|
|
|
|
|
  |
|
564 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
TX |
Houston-Galveston-Brazoria
|
4,670 |
8 |
UNKN |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
UT |
Ogden
|
|
|
|
|
  |
|
77 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
UT |
Provo
|
|
|
|
|
  |
|
369 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
UT |
Salt Lake City
|
|
|
|
|
  |
|
898 |
1 |
Mod |
|
  |
|
898 |
1 |
P,S |
|
  |
|
UT |
Tooele County
|
|
|
|
|
  |
|
|
  |
|
|
  |
|
41 |
1 |
P,S |
|
  |
|
WI |
Door County
|
28 |
1 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
WI |
Manitowoc County
|
83 |
1 |
Subpar |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
WI |
Milwaukee-Racine
|
1,839 |
6 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
WI |
Sheboygan
|
113 |
1 |
Mod |
|
  |
|
|
  |
|
|
  |
|
|
|
|
|
  |
|
WV |
Charleston
|
|
|
|
252 |
2 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
WV-KY |
Huntington-Ashland
|
|
|
|
341 |
9 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
WV-OH |
Parkersburg-Marietta
|
|
|
|
153 |
3 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
WV-OH |
Wheeling
|
|
|
|
153 |
3 |
NonAtt |
|
  |
|
|
  |
|
|
|
|
|
  |
|
WY |
Sheridan
|
|
|
|
|
  |
|
16 |
1 |
Mod |
|
  |
|
|
|
|
|
  |
|
1-hr and 8-hr Ozone Categorization/Classification Notes
Notes:
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. On a row, mouse over the No. Ctys
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 the
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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