Site

State

PM AQI* (ug/m3)

Indpls-W.18th St

IN

34

Indpls - I-70 E

IN

27

Indpls-Washington Park

IN

27

Sycamore

OH

19

Taft

OH

18

Springfield PM

OH

16

Sinclair

OH

15

Chester

PA

15

Lafayette-Greenbush St

IN

14

Terre Haute-Lafayette Ave

IN

14