Site

State

PM NowCast (ug/m3)

Maple Falls-Azure Way

WA

23

Clarkston-13th St

WA

22

Salem - State Hospital

OR

21

Albany - Calapooia School

OR

20

Tacoma-L St

WA

19

Sunnyside-S 16th

WA

18

Spokane-Monroe St.

WA

18

Corvallis - Circle Blvd.

OR

18

Spokane-E Broadway Ave (US)

WA

16

Spokane-Augusta Ave

WA

16