Site

State

PM AQI* (ug/m3)

Los Angeles - N. Main Street

CA

21

Glendora - Laurel

CA

21

Indio - Jackson Street

CA

20

Mira Loma - Van Buren

CA

20

North Holywood

CA

20

Riverside - Rubidoux

CA

19

South Long Beach

CA

18

Upland

CA

17

Otay Mesa - Donovan

CA

17

Compton

CA

17