Site

State

PM NowCast (ug/m3)

Birney

MT

38

Malta

MT

22

Libby Courthouse

MT

13

Plummer CDA Tribe

ID

11

Butte Greely School

MT

9

Seeley Elementary School

MT

8

Havre

MT

7

Lewistown

MT

6

Missoula Boyd Park

MT

6

Porthill

BC

5