Site

State

PM AQI* (ug/m3)

KNIGHT_P

IL

19

Branch Street

IL

17

Forest Park

MO

16

HOUSTON

IL

15

Terre Haute-Lafayette Ave

IN

15

Jeffersonville - Bates-Bowy...

IN

15

BLAIR STREET

MO

14

ARNOLD WEST

MO

14

Bloomington - Binford

IN

14

Ironton - ODOT

OH

14