Site

State

PM AQI* (ug/m3)

Dayton-W Main

WA

88

Pomeroy-Pataha St

WA

87

Kamiah

ID

56

Clarkston-13th St

WA

51

Grangeville

ID

48

Lewiston

ID

47

Lapwai

ID

40

Nezperce

ID

39

Crater Lake Rim

OR

36

Moscow

ID

36