Site

State

PM AQI* (ug/m3)

Enoch

UT

10

Vernal #4

UT

8

Spanish Fork

UT

8

Hawthorne

UT

8

Roosvelt

UT

7

Hurricane

UT

7

Paul E-Sampler

ID

7

Weiser PM25

OR

7

Sunrise Acres

NV

6

Rexburg PM25

ID

6