Site

State

PM AQI* (ug/m3)

Fresno-Foundry Park

CA

31

Modesto - 14th Street

CA

31

Corcoran

CA

30

Yuba City

CA

30

Hanford - S. Irwin Street

CA

30

Portola

CA

29

Mammoth Lakes

CA

29

Manteca

CA

28

Gridley

CA

28

Turlock - S. Minaret Street

CA

27