Site

State

PM AQI* (ug/m3)

Otay Mesa - Donovan

CA

18

Portola

CA

17

Mission Viejo

CA

15

Compton

CA

14

Mira Loma - Van Buren

CA

14

Calexico - Ethel Street

CA

13

Springville

CA

12

Temecula (Lake Skinner)

CA

12

Long Beach Signal Hill

CA

11

Los Angeles - N. Main Street

CA

11