Site

State

PM AQI* (ug/m3)

Salmon PM2.5

ID

21

Gerlach-200 Transfer Rd

NV

12

Idaho City

ID

9

Idaho Falls / Penford

ID

9

Ranchos

NV

8

McCall

ID

8

Salt Lake City-1881 W North...

UT

7

Sparks

NV

6

Garden City

ID

6

Rose Park

UT

6