Site

State

PM AQI* (ug/m3)

Calexico - Ethel Street

CA

22

Los Angeles - N. Main Street

CA

19

South Long Beach

CA

19

Mira Loma - Van Buren

CA

18

Portola

CA

18

North Holywood

CA

17

Springville

CA

17

Compton

CA

17

Long Beach Signal Hill

CA

16

Riverside - Rubidoux

CA

15