Site

State

PM NowCast (ug/m3)

Libby Courthouse

MT

9

Pinehurst

ID

9

Grangeville

ID

8

Porthill

BC

6

Seeley Elementary School

MT

6

Lancaster

ID

6

Lewiston

ID

6

Columbia Falls

MT

5

Plummer CDA Tribe

ID

5

Bozeman High School

MT

5