Site

State

PM AQI* (ug/m3)

Larwill

IN

20

Indpls-W.18th St

IN

18

Kingery Near-road #1

IL

16

TECUMSEH

MI

16

DECATUR

IL

16

Rockford

IL

15

South Bend-Shields Dr

IN

15

PittsfieldES

MA

15

Colerain

OH

15

Indpls-Washington Park

IN

15