CA*LI FORN IA

Sutter County (part),
CA (Gutter Buttes)>Vv%:

Nevada County
.—(Western Part), C/

Sacramento
Metro, Ci

San Francisco^
Bay Area, CA

Amador and Calaveras Cos., CA
'(Central Mountain Counties)

NEVADA

Maricopa and Tuolomne Cos , CA
.(Southern Mountain Counties)

DESIGNATIONS FOR

8-Hour Ozone

NATIONAL AMBIENT AIR QUALITY STANDARDS

Nonattainment/Subpart 2/Severe-17
I I Nonattainment/Subpart 2/Serious
I I Nonattainment/Subpart 2/Moderate
I I Nonattainment/Subpart 2/Marginal
I I Nonattainment/Subpart 1
Unclassifiable/Attainment

American Samoa and Northern Mariana Islands (not shown)
are designated "Attainment/Unclassifiable."

Sources: Title 40 CFR Part 81, §303, 305, 312, 329, 352, 353,
354 (2009), ESRI (2006), TANA (2006).

w EPA

REGION 9 - AIR

AIR10000005_1 14 January 201 0

San Joaquin
Valley, CA

0	25 50 100 Miles

1	I I I I I I I I



SVentura
junty, CAn

\

Lounge les-ScTuthJ
_ — Air Basin, CA

HAWAI I

-Las Vegas, NV

Kern County
(Eastern Kern), CA

ARIZONA

Los Angeles-San
-Bernardino Cos.
(W Mojave Desert), CA

Riversidp Co.
'(Coachella Valley), CAc

Phoenix-
Mesa, AZ

Jan Diego,
CA ,

Imperial
County, CA

Tf

GUAM

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