Site

State

PM AQI* (ug/m3)

Springville

CA

22

North Holywood

CA

21

Reseda

CA

19

Los Angeles - N. Main Street

CA

19

Mira Loma - Van Buren

CA

19

Riverside - Rubidoux

CA

17

Mission Viejo

CA

16

San Diego - Sherman Element...

CA

15

Upland

CA

15

Glendora - Laurel

CA

14