Site

State

PM AQI* (ug/m3)

Sunnyside-S 16th

WA

8

CTCLUSI Radar Hill-OR

OR

8

Marysville-7th Ave

WA

7

Seattle-South Park

WA

7

Eugene - Amazon Park

OR

6

Cottage Grove City Shops

OR

6

Eugene - Wilkes Dr.

OR

6

Portland Near Road

OR

6

Springfield City Hall

OR

6

Seattle-Duwamish

WA

6