Site

State

PM AQI* (ug/m3)

Fargo NW

ND

7

Grangeville

ID

6

Juliaetta E-sampler

ID

5

Bismarck Residential

ND

5

Sandpoint U of I

ID

5

Columbia Falls

MT

5

Plummer CDA Tribe

ID

5

Billlings Lockwood

MT

5

Great Falls Overlook Park

MT

5

RYDER

ND

5