Site

State

PM AQI* (ug/m3)

Spanish Springs

NV

18

Shoshone Bannock Tribes

ID

17

Rexburg PM25

ID

14

Idaho Falls / Penford

ID

13

Paul E-Sampler

ID

13

Pocatello Garrett and Gould

ID

13

St. Lukes Meridian

ID

13

Garden City

ID

12

Roosvelt

UT

11

Weiser PM25

OR

11