Site

State

PM AQI* (ug/m3)

Clinton, Chancy Park

IA

25

Davenport, 10th & Vine

IA

24

Iowa City, Hoover School

IA

20

Fort Wayne-Beacon St

IN

20

Potosi

WI

19

Columbus NR - Smoky Row

OH

19

MILWAUKEE COLLEGE AVE.-NR

WI

19

Ogden Dunes

IN

18

Hammond-167th St

IN

18

Waterloo, Water Tower

IA

17