Site

State

PM AQI* (ug/m3)

Fargo NW

ND

14

Bozeman High School

MT

8

Cottonwood E-sampler

ID

8

Seeley Elementary School

MT

7

Bismarck Residential

ND

7

Hannover

ND

6

Birney

MT

6

St. Maries

ID

6

RYDER

ND

6

Plummer CDA Tribe

ID

5