Site

State

PM AQI* (ug/m3)

Portola

CA

52

Calexico - Ethel Street

CA

42

Hanford - S. Irwin Street

CA

41

Bakersfield - Golden State ...

CA

39

Fresno-Foundry Park

CA

38

Corcoran

CA

37

Bakersfield - California Ave

CA

36

Stockton - University Park

CA

35

Turlock - S. Minaret Street

CA

34

Tranquillity

CA

33