Site

State

PM AQI* (ug/m3)

Sweet Home - Fire Department

OR

10

Omak-Colville Tribe

WA

9

Shady Cove - Shady Cove School

OR

7

Medford Welch & Jackson

OR

7

CTCLUSI Radar Hill-OR

OR

6

Grants Pass - Parkside School

OR

6

Maple Falls-Azure Way

WA

6

Twisp-Glover St

WA

6

Seattle-South Park

WA

6

Lyons

OR

6