Site

State

PM AQI* (ug/m3)

GC_MAD

IL

21

Terre Haute-Lafayette Ave

IN

20

Liberty (SAHS)

PA

19

DET POLICE 4TH

MI

19

TRINITY ST MARKS

MI

19

G.T.Craig

OH

18

DETROIT - SOUTHWEST

MI

18

DECATUR

IL

18

Canton

OH

17

Springfield PM

OH

17