Site

State

PM AQI* (ug/m3)

Fargo NW

ND

14

Cut Bank

MT

8

Bismarck Residential

ND

8

Sidney 201

MT

7

St. Maries

ID

7

Rossiter Pump House

MT

7

TRNP-NU

ND

7

Lostwood NWR

ND

6

RYDER

ND

6

Lake Ilo

ND

6