Site

State

PM AQI* (ug/m3)

Liberty (SAHS)

PA

21

St Theodosius

OH

20

Lancaster DW

PA

20

TRINITY (GHIB)

MI

18

Sinclair

OH

18

Lebanon

PA

18

DETROIT - SW (GHIB)

MI

17

Cincinnati Near Road

OH

17

Steubenville

OH

17

GC_MAD

IL

17