Particulate Matter (PM2.5) - by region

San Fransisco/Sacramento (North)

Outside Redding Livermore-Rincon Gridley San Andreas Colusa-Sunrise Blvd. Concord-Treat Blvd. Bishop Paiute Tribe C1023 San Rafael Outside Salinas Napa-Jefferson St. Grass Valley-Litton Bldg. Outside Lake Tahoe Auburn-Dewitt C Ave. Colfax-City Hall Roseville-N. Sunrise Blvd. Sacramento-Del Paso Manor Sacramento- T St. Elk Grove-Bruceville Rd. Folsom-Natoma St. Sloughhouse Hollister San Francisco-Arkansas St. Stockton-Hazelton St. Redwood City Gilory-9th St. San Jose-Jackson St. Santa Cruz Vallejo-304 Tuolumne St. Vacaville-Elmira Rd. Modesto-14th St. Yuba City-Almond St. Davis-UCD Campus Woodland-Gibson Rd.

Los Angeles (South)

Calexico-Ethel St. C1018-Lone Pine Paiute/Shoshone Tribe-CA Bakersfield-5558 California Dr. Glendora-Laurel Burbank-W. Palm Ave. Los Angeles-N. Main St. Reseda Santa Clarita-County Fire Station Anaheim Banning-South Hathaway St. Riverside-Magnolia Riverside-Rubidoux Lake Elsinore-W. Flint St. Lake Gregory-Crestline Upland Escondido Alpine Camp Pendleton San Diego-Beardsley St. Outside Santa Maria Atascadero Santa Rosa Santa Maria-Broadway Lompoc H Street Visalia-N. Church St. Simi Valley-Cochran St. El Rio-Rio Mesa School #2