Site

State

PM NowCast (ug/m3)

Lewiston

ID

12

Billlings Lockwood

MT

11

Libby Courthouse

MT

10

Great Falls Overlook Park

MT

9

Juliaetta E-sampler

ID

7

St. Maries

ID

7

RYDER

ND

7

Hannover

ND

7

Butte Greely School

MT

7

Bozeman High School

MT

6