Site

State

PM AQI* (ug/m3)

Portola

CA

26

Pinehurst

CA

25

Mammoth Lakes

CA

15

Springville

CA

14

Compton

CA

13

Fresno-Foundry Park

CA

13

Otay Mesa - Donovan

CA

13

Long Beach Signal Hill

CA

13

Calexico - Ethel Street

CA

12

South Long Beach

CA

12