Site

State

PM NowCast (ug/m3)

St. Maries

ID

18

Seeley Elementary School

MT

17

Libby Courthouse

MT

10

Kamiah-ID

ID

7

Porthill

BC

6

Williston

ND

6

Juliaetta E-sampler

ID

6

Great Falls Overlook Park

MT

6

Lancaster

ID

6

Birney

MT

5