Site

State

PM AQI* (ug/m3)

Mesa 2 /Nipomo

CA

24

Otay Mesa - Donovan

CA

22

Glendora - Laurel

CA

21

Los Angeles - N. Main Street

CA

21

South Long Beach

CA

19

Nipomo Mesa CDF

CA

18

Upland

CA

18

Paradise

CA

17

Riverside - Rubidoux

CA

17

Mira Loma - Van Buren

CA

16