Site

State

PM NowCast (ug/m3)

Omak-Colville Tribe

WA

13

Grants Pass - Parkside School

OR

12

Eugene - Highway 99

OR

12

Twisp-Glover St

WA

11

Medford Welch & Jackson

OR

11

Roseburg - Garden Valley Blvd.

OR

10

Hillsboro - Hare Field

OR

10

Burns - Washington St.

OR

10

Cottage Grove City Shops

OR

9

Colbert-Greenbluff

WA

9