Site

State

PM NowCast (ug/m3)

Chelan-Woodin Ave

WA

11

Colville-E 1st St

WA

9

Sunnyside-S 16th

WA

8

Cove - City Hall

OR

8

Spokane-Monroe St.

WA

7

Rosalia-Josephine St

WA

7

Seattle-South Park

WA

7

Eugene - Wilkes Dr.

OR

6

Omak-Colville Tribe

WA

6

Springfield City Hall

OR

6

Spokane-Augusta Ave

WA

6