Site

State

PM AQI* (ug/m3)

Etna

CA

45

Maple Falls-Azure Way

WA

42

Pagosa Springs

CO

36

Los Angeles - N. Main Street

CA

34

Anaheim

CA

33

Mira Loma - Van Buren

CA

32

Riverside - Rubidoux

CA

31

South Long Beach

CA

31

Visalia - N. Church Street

CA

31

Calexico - Ethel Street

CA

31

Turlock - S. Minaret Street

CA

31