Site
State
PM AQI* (ug/m3)
St. Lukes Meridian
ID
9
Paul E-Sampler
8
Weiser PM25
OR
7
Rexburg PM25
6
Idaho Falls / Penford
Brigham City
UT
5
Soda Springs PM25
4
Shoshone Bannock Tribes
Idaho City
Spanish Springs
NV