Site

State

PM AQI* (ug/m3)

Brawley - 220 Main Street

CA

28

Calexico - Ethel Street

CA

26

Portola

CA

20

Springville

CA

16

North Holywood

CA

15

Mira Loma - Van Buren

CA

15

Otay Mesa - Donovan

CA

15

Los Angeles - N. Main Street

CA

15

Riverside - Rubidoux

CA

14

South Long Beach

CA

13