Site

State

PM AQI* (ug/m3)

Los Angeles - N. Main Street

CA

21

Mira Loma - Van Buren

CA

19

Otay Mesa - Donovan

CA

18

North Holywood

CA

18

Glendora - Laurel

CA

17

Reseda

CA

16

South Long Beach

CA

16

Grass Valley

CA

16

Simi Valley - Cochran Street

CA

15

Colusa - Sunrise Blvd.

CA

15