Site

State

PM AQI* (ug/m3)

Brigham City

UT

15

Spanish Fork

UT

8

Paul E-Sampler

ID

7

Rose Park

UT

7

Weiser PM25

OR

7

Copper View

UT

7

Idaho Falls / Penford

ID

7

Enoch

UT

6

Jerome Mack

NV

6

Spanish Springs

NV

6