Site

State

PM AQI* (ug/m3)

Maple Falls-Azure Way

WA

37

Portola

CA

30

Turner - CJHS

OR

29

Salem - State Hospital

OR

29

Albany

GA

28

Fresno-Foundry Park

CA

27

Adams-Birch

CO

26

Greeley Hospital

CO

25

Roseburg Fire Dept

OR

25

Big Bear

CA

25