Site

State

PM AQI* (ug/m3)

Salt Lake City-1881 W North...

UT

15

Salmon PM2.5

ID

14

McCall

ID

10

Garden Valley

ID

9

Idaho City

ID

8

Smithfield

UT

8

St. Lukes Meridian

ID

7

Hawthorne

UT

7

Salt Lake City-1881 W North...

UT

7

Nampa Fire Station

ID

6