Site

State

PM NowCast (ug/m3)

Libby Courthouse

MT

18

Birney

MT

13

Butte Greely School

MT

13

Pinehurst

ID

12

St. Maries

ID

12

Sandpoint U of I

ID

11

Billlings Lockwood

MT

9

Seeley Elementary School

MT

9

Lostwood NWR

ND

9

Columbia Falls

MT

8