Site

State

PM AQI* (ug/m3)

Portola

CA

46

Calexico - Ethel Street

CA

28

Fresno - Garland

CA

25

Yuba City

CA

23

Turlock - S. Minaret Street

CA

23

Chico - East

CA

23

Stockton - Hazelton Street

CA

22

Willows-Colusa

CA

22

Gridley

CA

22

Colusa - Sunrise Blvd.

CA

21