€ A L I F O R N
I A
Sutter County (part)
(Sutter Buttes)
X
Chico
Nevada County
(Western part)
NEV
ADA
, Sacramento
San Francisco
Bay Area .
Amador and Calaveras Cos.
"0[Central Mountain Counties)
^^Mariposa and Tuolumne Cos.
(Southern Mountain Counties)
DESIGNATIONS FOR THE 1997
8-Hour Ozone (03)
NATIONAL AMBIENT AIR QUALITY STANDARDS
I 1 Nonattainment/Subpart 2/Extreme
I 1 Nonattainment/Subpart 2/Severe-17
I I 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
Unclassifiable/Attainment
&EPA
Sources: Title 40 CFR Part 81, §303, 305, 312, 329, 352, 353,
354 (2011), ESRI (2006), TANA (2006).
American Samoa and Northern Mariana Islands (not shown
on map) are designated "Unclassifiable/Attainment."
REGION 9-AIR
AIR 1100018_7 22 February 2011
¦ Las Vegas
Kern County
(Eastern Kern)
0	25 50 100 Miles
1	I I I I I I I I

Los AngelesiJgp
South CoastTAiflBasirl
Los Angeles-San Bernardino Cos.
(W Mojave^Desert)
-Morongo Resection (Severe-17)
Riverside Co.	r'Phoenix-Mesa4
(Coachella Valley)
GUAM
Pechanga,
Reservation'
(Severe-17)
I San
Imperial i
Diego
County

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