Site

State

PM AQI* (ug/m3)

Portola

CA

40

Porterville-NFS

CA

28

Mammoth Lakes

CA

26

Visalia - N. Church Street

CA

25

Fresno - Garland

CA

22

Bakersfield - California Ave

CA

21

Chico - East

CA

19

Chester BAM

CA

19

Boulder Creek

CA

19

Madera-City

CA

18