Site

State

PM NowCast (ug/m3)

Maple Falls-Azure Way

WA

12

Seattle-Duwamish

WA

10

Yacolt-Yacolt Rd

WA

10

Kent-James & Central

WA

9

Eugene - Highway 99

OR

9

Portland - SE Lafayette

OR

9

Tacoma-L St

WA

9

Marysville-7th Ave

WA

9

Roseburg - Garden Valley Blvd.

OR

9

Yakima-4th Ave

WA

8