Site

State

PM AQI* (ug/m3)

MILWAUKEE 16TH ST

WI

19

MILWAUKEE COLLEGE AVE.-NR

WI

18

Potosi

WI

17

WAUKESHA - CLEVELAND AVE

WI

17

MADISON EAST

WI

16

MILWAUKEE SER DNR

WI

16

Chester

PA

16

Lafayette-Greenbush St

IN

16

Iowa City, Hoover School

IA

15

Hammond-167th St

IN

15