Site

State

PM AQI* (ug/m3)

Salmon PM2.5

ID

10

Rexburg PM25

ID

6

Spanish Springs

NV

6

Rose Park

UT

5

GreenValley

NV

5

Paul Meyer

NV

5

Timpanogos Cave

UT

4

Sunrise Acres

NV

4

Idaho City

ID

4

RT

NV

4