Site

State

PM AQI* (ug/m3)

DEARBORN

MI

55

Liberty (SAHS)

PA

27

Lancaster DW

PA

22

DETROIT-SW

MI

20

Johnstown

PA

19

Parkway East (Near Road)

PA

18

Branch Street

IL

17

Cincinnati Near Road

OH

16

GC_MAD

IL

16

Chester

PA

16