Site

State

PM AQI* (ug/m3)

Roosvelt

UT

11

Hawthorne

UT

9

Paul E-Sampler

ID

7

Spanish Fork

UT

7

Weiser PM25

OR

7

Timpanogos Cave

UT

6

Lindon

UT

6

Enoch

UT

6

Rexburg PM25

ID

6

Sunrise Acres

NV

5