21865 Copley Drive, Diamond Bar, CA 91765−4182 Information: 1−800−CUT−SMOG (1−800−288−7664) Internet: http://www.aqmd.gov
KERN COUNTY
LOS ANGELES COUNTY SAN BERNARDINO COUNTY Lancaster The South Coast Air Quality prevailing winds are strong enough to Basin and a portion of the Mojave
L Management District is the agency disperse it into other areas. Desert Air Basin. San Luis Obispo O Kern San Bernardino S V responsible for attaining state and In 1977, the California The map at right depicts A E N N G Palmdale federal clean air standards in the Legislature created the South Coast Southern California Air Basins, with Santa Barbara T U E L RA COUNTY South Coast Air Basin. AQMD by merging the air pollution the South Coast AQMD in blue. E S COUNTY All of California is divided control districts of the four counties Thus, the South Coast Air Ventura Castaic into air basins, which are served by sharing the South Coast Air Basin. Basin covers an area of 6,745 square Los Angeles either county air pollutionVictorville control This basin includes portions of Los miles with a population of 14.6
Riverside districts or multi−county air quality Angeles, Riverside and San million, while the larger South Coast Orange management districts. Bernardino counties and all of district boundary includes 10,743 Legend Hesperia Surrounding Air Basins Santa Clarita Air pollution tends to stagnate Orange County. Within Riverside square miles and a population of 15 South Coast Air Quality Management District Imperial within these air basins due to natural County, the AQMD also has million. County Boundaries barriers, such as mountains, unless jurisdiction over the Salton Sea Air Air Basin Boundaries San Diego
San Simi Valley Fernando
Crestline Big Bear Lake La Canada Thousand Oaks Reseda Flintridge UNTY Glendale O Burbank C Monrovia S Agoura Calabasas Pasadena Azusa Glendora E Rancho Hills L Upland Cucamonga San Irwindale San Dimas E Highland Covina Claremont G Fontana Bernardino Twentynine Palms SAN BERNARDINO COUNTY Beverly West Hollywood Rosemead N Yucca Valley A Montclair Rialto Hills Colton Los Angeles Monterey Pomona S Redlands Malibu Santa Monica Park Industry Walnut O Ontario SAN BERNARDINO Loma Linda Yucaipa Montebello L COUNTY Grand Terrace RIVERSIDE COUNTY Culver Diamond Bar Chino RIVERSIDE COUNTY City Huntington Park Pico Rivera Rubidoux Calimesa Inglewood Whittier South Gate UNTY Chino Hills Desert Hot El CO Banning Segundo Downey S La Habra Riverside Springs Lynwood La Norco Beaumont Hawthorne Mirada E Brea O Moreno Valley Manhattan L Yorba R Beach E Fullerton Linda A Cerritos G Placentia N Corona Lakewood N Buena Park G R Redondo A La E IV Palm Springs Beach S Anaheim E Torrance Palma C R O Cypress Villa Park O L Stanton UNTYSIDE Cathedral City Palos Verdes Los Alamitos Orange Perris San Jacinto Estates Long Garden Rancho Mirage Rancho Palos Grove Verdes Beach Seal Westminster Desert Beach Tustin Hemet Center Fountain Palm Desert Valley COUN Canyon Santa Ana T Lake Indian Huntington Y Indio Beach Lake Wells Coachella Costa Elsinore La Quinta Mesa Irvine Lake Forest Newport Mission Viejo Beach Laguna Hills COUNTY E G Murrieta Laguna N
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O Dana San Juan Point Capistrano RIVERSIDE COUNTY San RIVERSIDE COUNTY Clemente SAN DIEGO COUNTY IMPERIAL COUNTY Pope Catalina Fallbrook Avalon Copyright 1999 by Sierra Wade Associates www.sierrawade.com