Site

State

PM NowCast (ug/m3)

Seattle-10th & Weller

WA

10

Portland Near Road

OR

8

Custer-Loomis (SO-AQS)

WA

8

Seattle-South Park

WA

7

Tukwila_Allentown

WA

7

Spokane-E Broadway Ave (US)

WA

6

Tacoma-Alexander Ave

WA

6

Lyons

OR

6

Bremerton-Spruce Ave

WA

5

Portland - SE Lafayette

OR

5

Clarkston-13th St

WA

5