Site

State

PM AQI* (ug/m3)

Mt Hall

ID

64

Plummer CDA Tribe

ID

8

Bismarck Residential

ND

8

Lostwood NWR

ND

7

Juliaetta E-sampler

ID

7

TRNP-NU

ND

6

Beulah North

ND

6

Libby Courthouse

MT

6

French Town - Beckwith

MT

6

Fargo NW

ND

5