Site

State

PM AQI* (ug/m3)

POTAWATOMI

WI

76

Ely

MN

71

PERKINSTOWN

WI

57

Virginia

MN

56

St. Cloud

MN

45

Leech Lake Nation: Cass Lake

MN

42

Detroit Lakes

MN

29

Brainerd

MN

28

Duluth-WDSE

MN

28

St. Michael

MN

26