Site

State

PM AQI* (ug/m3)

Sunnyside-S 16th

WA

71

Boulder Creek

CA

44

Maple Falls-Azure Way

WA

42

Happy Camp-315 Buckhorn Rd

CA

35

Stockton - Hazelton Street

CA

32

Eugene - Highway 99

OR

30

Portola

CA

30

McCall

ID

29

Hurst Road

AK

28

Tacoma-L St

WA

28