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 ------- |