Site

State

PM AQI* (ug/m3)

Portola

CA

42

Fresno - Garland

CA

39

Compton

CA

38

Mammoth Lakes

CA

36

Fresno-Foundry Park

CA

35

San Jose - Jackson St.

CA

27

Vallejo

CA

27

Chico - East

CA

25

Quincy BAM

CA

24

Clovis - N. Villa Ave

CA

23