Site

State

PM NowCast (ug/m3)

Seattle-10th & Weller

WA

9

Seattle-South Park

WA

8

Seattle-Beacon Hill

WA

7

Tacoma-L St

WA

7

Marysville-7th Ave

WA

6

Seattle-Duwamish

WA

6

Salem - State Hospital

OR

6

Portland Near Road

OR

6

Tacoma-S 36th St

WA

6

Tacoma-Alexander Ave

WA

6