Site

State

PM NowCast (ug/m3)

Spokane-Augusta Ave

WA

11

Clarkston-13th St

WA

10

Seattle-10th & Weller

WA

9

Colbert-Greenbluff

WA

8

Toppenish-Yakama Tribe

WA

7

Klamath Falls - Peterson Sc...

OR

6

Sunnyside-S 16th

WA

6

Provolt - Seed Orchard

OR

6

Tacoma-S 36th St

WA

5

Baker City - Forest Service

OR

5