Site

State

PM AQI* (ug/m3)

MADISON EAST

WI

16

Lancaster DW

PA

14

Leech Lake Nation: Cass Lake

MN

12

APPLETON AAL

WI

12

Camden Spruce St

NJ

11

York

PA

11

MILWAUKEE 16TH ST

WI

11

Detroit Lakes

MN

11

Minneapolis-Near Road

MN

10

WAUKESHA - CLEVELAND AVE

WI

10