Site

State

PM AQI* (ug/m3)

Mira Loma - Van Buren

CA

20

Riverside - Rubidoux

CA

19

Glendora - Laurel

CA

18

Mesa 2 /Nipomo

CA

18

Nipomo Mesa CDF

CA

17

Otay Mesa - Donovan

CA

17

Upland

CA

15

Banning - South Hathaway St...

CA

15

North Holywood

CA

15

Indio - Jackson Street

CA

14