Site

State

PM AQI* (ug/m3)

Plummer CDA Tribe

ID

8

St. Maries

ID

7

Libby Courthouse

MT

7

Seeley Elementary School

MT

6

Lancaster

ID

6

Kamiah-ID

ID

5

Porthill

BC

5

Rossiter Pump House

MT

5

Lewiston

ID

5

Potlatch

ID

5