California

PM-2.5 Nonattainment Areas
in blue border

)ei Norte

Humboldt

Tehama

Plumas

Glenn

Mendocino

El Dorado

Sonoma

SacramentoAmador
-¦ f*** ^\Calaveras

Tuolumne

Mono

tontra Costal

, A lamed:

Mariposa

Madera

Merced

Fresno

California

Tulare

Monterey

>an Luis Obispo"

Ventura

San Bernardino

Riverside

Imperial

Oregon

Nevada

Sari Joaquin Valley, CA

\
Sierra

/	TnTu /Nevada--

Colusa f\Yuba y P|acer
Lake \	Sutt^r^---	t—*

Los Angeles-South Coast Air Basin, CA

Siskiyou

Lassen

100 150 200
Miles

Arizona

Shasta


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