Site

State

PM AQI* (ug/m3)

Riverside - Rubidoux

CA

17

Glendora - Laurel

CA

16

Upland

CA

15

Otay Mesa - Donovan

CA

15

Mira Loma - Van Buren

CA

15

Los Angeles - N. Main Street

CA

15

Reseda

CA

14

Rio Vista

CA

13

El Centro - 9th Street

CA

12

Calexico - Ethel Street

CA

12