C AM- I F O Rl N I A

1

bounty (part),
> utter Buttes)

\

\

IF

San Francisco^
Bay Area, CA

Nevada County
/(Western Part), CA

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{

snto

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

^ 1 \ NEVADA

Mariposa and Tuolumne Cos., CA
'(Southern Mountain Counties)

San Joaquin
illey, CA***

DESIGNATIONS FOR

8-Hour Ozone

NATIONAL AMBIENT AIR QUALITY STANDARDS

Nonattainment/Subpart 2/Extreme
Nonattainment/Subpart 2/Severe-17
I M Nonattainment/Subpart 2/Severe-15
I I Nonattainment/Subpart 2/Serious
I I Nonattainment/Subpart 2/Moderate
I I Nonattainment/Subpart 2/Marginal
I I Nonattainment/Subpart 1
I I Deferred**

Attainment/Unclassifiable

*Reflects state's reclassification request

**Designations for these areas are deferred while EPA considers additional information.
***Reflects reclassification effective June 4, 2010.

American Samoa and Northern Mariana Islands (notshown)
are designated "Attainment/Unclassifiable."	I

Sources: Title 40 CFR Part 81, §303, 305, 312, 329,	I

352, 353, 354 (2010), 75 FR 24409 (June 4, 2010),	REGION 9 - AIR

ESRI (2006), TANA (2006).	AIR1000005_2 5 May 2010

vvEPA

0	25 50	100 Miles

1	I I I I I I I I



o



-Las Vegas, NV

Kern County
(Eastern Kern), CA

ARIZONA

SVentura
junty, CAn

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



Lo^^ngeles-South]
Air Basin, CA***

Riversidi Co.	^ Phoenix-

JCoachejla Valley), CA*J* Mesa, AZ

5an Diego,

Imperial

CA ' County, CA

J

GUAM

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