Site

State

PM AQI* (ug/m3)

Los Angeles - N. Main Street

CA

20

Reseda

CA

20

Glendora - Laurel

CA

20

Riverside - Rubidoux

CA

20

Upland

CA

19

Mira Loma - Van Buren

CA

18

Santa Clarita

CA

18

Banning - South Hathaway St...

CA

17

Simi Valley - Cochran Street

CA

14

Porterville-NFS

CA

14