Site

State

PM AQI* (ug/m3)

Brigham City

UT

10

Lindon

UT

9

Paul E-Sampler

ID

8

Copper View

UT

8

Idaho Falls / Penford

ID

7

Weiser PM25

OR

7

Rose Park

UT

7

Spanish Fork

UT

7

Sparks

NV

7

Spanish Springs

NV

7