Site

State

PM AQI* (ug/m3)

Portola

CA

21

Calexico - Ethel Street

CA

13

Mission Viejo

CA

13

Springville

CA

13

Bakersfield - Golden State ...

CA

12

Nipomo Mesa CDF

CA

12

Compton

CA

12

Los Angeles - N. Main Street

CA

11

North Holywood

CA

10

Mesa 2 /Nipomo

CA

10