Site
State
PM AQI* (ug/m3)
El Paso UTEP C12
TX
74
Kamiah
ID
65
Fargo NW
ND
54
Omak-Colville Tribe
WA
53
Orofino-45419 US-12
44
Lewiston
Salmon PM2.5
43
Enterprise - US Forest Service
OR
Macdoel
CA
42
Ketchum
41