Site

State

PM AQI* (ug/m3)

Portola

CA

18

San Diego - Sherman Element...

CA

12

North Holywood

CA

11

South Long Beach

CA

10

Reseda

CA

10

Glendora - Laurel

CA

10

Mira Loma - Van Buren

CA

10

El Cajon - Lexington Elemen...

CA

9

Los Angeles - N. Main Street

CA

9

Anderson

CA

9