Site

State

PM AQI* (ug/m3)

Otay Mesa - Donovan

CA

25

Nipomo Mesa CDF

CA

21

Portola

CA

19

Mesa 2 /Nipomo

CA

18

Mira Loma - Van Buren

CA

17

Springville

CA

16

Los Angeles - N. Main Street

CA

16

North Holywood

CA

16

Riverside - Rubidoux

CA

15

Glendora - Laurel

CA

15