Site

State

PM AQI* (ug/m3)

Portola

CA

31

Turlock - S. Minaret Street

CA

25

Stockton - Hazelton Street

CA

23

Modesto - 14th Street

CA

22

Mammoth Lakes

CA

21

Gridley

CA

21

MMCA81051

CA

21

Creston-Fox Hollow Rd

CA

20

Porterville-NFS

CA

19

Visalia - N. Church Street

CA

19