Site

State

PM AQI* (ug/m3)

Otay Mesa - Donovan

CA

20

Mira Loma - Van Buren

CA

18

Springville

CA

18

Portola

CA

18

Glendora - Laurel

CA

17

South Long Beach

CA

17

Los Angeles - N. Main Street

CA

16

Riverside - Rubidoux

CA

15

Compton

CA

15

Colusa - Sunrise Blvd.

CA

15