Site

State

PM AQI* (ug/m3)

Hawthorne

UT

8

Weiser PM25

OR

7

Idaho Falls / Penford

ID

7

Sunrise Acres

NV

6

Ogden #2

UT

6

Rose Park

UT

6

Shoshone Bannock Tribes

ID

6

Copper View

UT

6

RT

NV

6

Brigham City

UT

5