Site

State

PM AQI* (ug/m3)

Portola

CA

21

South Long Beach

CA

17

Calexico - Ethel Street

CA

16

Long Beach Signal Hill

CA

16

Compton

CA

15

Springville

CA

15

Los Angeles - N. Main Street

CA

15

Mira Loma - Van Buren

CA

15

North Holywood

CA

15

Fresno-Foundry Park

CA

14

Yuba City

CA

14