Site

State

PM AQI* (ug/m3)

Mission Viejo

CA

19

Mira Loma - Van Buren

CA

18

Nipomo Mesa CDF

CA

18

North Holywood

CA

18

Otay Mesa - Donovan

CA

17

Los Angeles - N. Main Street

CA

17

Riverside - Rubidoux

CA

16

Upland

CA

16

Reseda

CA

15

El Cajon - Lexington Elemen...

CA

14