Site

State

PM AQI* (ug/m3)

Portola

CA

23

Nipomo Mesa CDF

CA

15

Springville

CA

12

Mesa 2 /Nipomo

CA

12

Upland

CA

11

Indio-29 Palms

CA

11

Keeler

CA

11

Brawley - 220 Main Street

CA

10

Lompoc H Street

CA

9

Banning - South Hathaway St...

CA

9