Site

State

PM AQI* (ug/m3)

Upland

CA

27

North Holywood

CA

26

Glendora - Laurel

CA

26

Los Angeles - N. Main Street

CA

24

Mira Loma - Van Buren

CA

23

Downtown Sacramento - T Street

CA

21

Riverside - Rubidoux

CA

21

Visalia - N. Church Street

CA

20

Reseda

CA

20

Otay Mesa - Donovan

CA

19