Site

State

PM AQI* (ug/m3)

Joe Neal

NV

18

Lake Park

UT

10

RT

NV

10

P2

UT

10

Walter Johnson

NV

9

Inland Port

UT

9

Palo Verde

NV

9

Paul E-Sampler

ID

9

Casino Center

NV

8

Weiser PM25

OR

8