Site

State

PM AQI* (ug/m3)

Salmon PM2.5

ID

20

NR

UT

19

McCall

ID

18

Lake Park

UT

18

Idaho City

ID

16

Sparks

NV

16

Rose Park

UT

15

Ranchos

NV

15

Copper View

UT

14

Utah Tech. Center

UT

13