Site

State

PM NowCast (ug/m3)

La Grande Hall & N Sts

OR

12

Roseburg - Garden Valley Blvd.

OR

7

Yakima-4th Ave

WA

7

Leavenworth-Evans St

WA

6

Walla Walla-12th St

WA

6

Ellensburg-Ruby St

WA

6

Twisp-Glover St

WA

6

Colville-E 1st St

WA

6

Tacoma-S 36th St

WA

6

Marysville-7th Ave

WA

6

Toppenish-Yakama Tribe

WA

6