Site

State

PM AQI* (ug/m3)

Idaho Falls / Penford

ID

7

Rose Park

UT

7

Hawthorne

UT

6

McCall

ID

6

Salmon PM2.5

ID

6

Shoshone Bannock Tribes

ID

6

BV

UT

6

Idaho City

ID

5

Erda

UT

5

Twin Falls PM25

ID

5