Site

State

PM AQI* (ug/m3)

Copper View

UT

23

BV

UT

14

Ketchum

ID

12

Spanish Springs

NV

12

Idaho City

ID

11

Salmon PM2.5

ID

10

Paul E-Sampler

ID

10

Toll

NV

9

Rexburg PM25

ID

9

Pocatello Garrett and Gould

ID

9