Site

State

PM NowCast (ug/m3)

Maple Falls-Azure Way

WA

54

Prineville - Davidson Park

OR

40

Madras - Westside School

OR

35

Pendleton - McKay Creek

OR

27

Darrington-Fir St

WA

22

Sunnyside-S 16th

WA

21

Seattle-Duwamish

WA

20

Clarkston-13th St

WA

20

Oakridge - Willamette Activ...

OR

19

Yakima-4th Ave

WA

19