Site

State

PM NowCast (ug/m3)

Libby Courthouse

MT

21

Lewistown

MT

20

Pinehurst

ID

18

Sidney 201

MT

14

Columbia Falls

MT

14

St. Maries

ID

14

Seeley Elementary School

MT

9

Thompson Falls HS

MT

9

Fargo NW

ND

8

Sandpoint U of I

ID

8