Oregon

Nevada

California

8-hour Ozone Nonattainment Areas in blue border

San Francisco Bay Area, CA
Subpart 2 Marginal

Subpart 2 Marginal
Subpart 1 (Basic)
Subpart 1 (Basic) - EAC

Chico (Butte Co), CA
Subpart 1 (Basic)

Sutter County (Sutter Buttes), CA Subpart 1 (Basic)

Nevada Co. (WesternPortion), CA Subpart 1 (Basic)

Sacramento Metro Subpart 2 Serious

Amador and Calaveras Cos, CA(Central Mtn. Cos)

Subpart 1 (Basic)

Mariposa and Tuolomne Cos, CA (Southern Mtn. Cos)
Subpart 1 ( Basic)

San Joaquin Valley , CA
Subpart 2 Serious

Kern Co. (Eastern Kern), CA Subpartl (Basic)

Subpart 2 Severe 17 (Los Angeles South Coast)
Subpart 2 Serious
Subpart 2 Moderate

Ventura Co., CA
Subpart 2 Moderate

Los Angeles - South Coast Air Basin, CA
Subpart 2 Severe 17

0 50

100

Los Angeles- San Bernardino Cos, CA
(Western Mojave)

Subpart 2 Moderate

Riverside Co. (Coachella Valley ),CA
1 Subpart 2 Serious

Imperial Co.
Subpart 2 Marginal

miles

San Diego, CA
Subpart 1 (Basic)

4 Tribal Territories in Attainment

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