Site

State

PM AQI* (ug/m3)

Sequoia and Kings Canyon - ...

CA

24

Los Angeles - N. Main Street

CA

21

North Holywood

CA

20

Mission Viejo

CA

20

Otay Mesa - Donovan

CA

19

Mira Loma - Van Buren

CA

19

El Cajon - Lexington Elemen...

CA

19

Santa Clarita

CA

17

Riverside - Rubidoux

CA

17

Upland

CA

17