Site

State

PM NowCast (ug/m3)

Sunnyside-S 16th

WA

18

Omak-Colville Tribe

WA

15

Maple Falls-Azure Way

WA

14

Yakima-4th Ave

WA

11

Bellingham Pacific

WA

9

Lyons

OR

9

Eugene - Highway 99

OR

9

Twisp-Ewell St

WA

9

Mill City

OR

8

Darrington-Fir St

WA

8