Site

State

PM AQI* (ug/m3)

Portola

CA

16

Chester BAM

CA

11

Glendora - Laurel

CA

10

Riverside - Rubidoux

CA

9

North Holywood

CA

9

Mesa 2 /Nipomo

CA

9

South Long Beach

CA

9

Los Angeles - N. Main Street

CA

9

San Diego - Sherman Element...

CA

9

Mira Loma - Van Buren

CA

8