Site

State

PM AQI* (ug/m3)

Terre Haute-Lafayette Ave

IN

16

Indpls - I-70 E

IN

16

Indpls-Washington Park

IN

14

East St. Louis

IL

14

Cincinnati Near Road

OH

14

Springfield PM

OH

13

ELDOSPGS

MO

13

G.T.Craig

OH

13

Hillcrest HS

MO

12

Indpls-W.18th St

IN

12