Site

State

PM AQI* (ug/m3)

Cove - City Hall

OR

8

Sunnyside-S 16th

WA

7

Prineville - Davidson Park

OR

7

Seattle-Duwamish

WA

7

Bend - Pump Station

OR

7

Eugene - Highway 99

OR

6

Eugene - Wilkes Dr.

OR

6

Springfield City Hall

OR

6

Eugene - Amazon Park

OR

6

Sisters Forest Service

OR

6