Site

State

PM NowCast (ug/m3)

Clarkston-13th St

WA

26

Burns - Washington St.

OR

18

Colville-E 1st St

WA

15

Yakima-4th Ave

WA

14

Lyons

OR

12

John Day Dayton St

OR

10

Toppenish-Yakama Tribe

WA

10

Medford Welch & Jackson

OR

9

Hillsboro - Hare Field

OR

9

Omak-Colville Tribe

WA

9