Site

State

PM AQI* (ug/m3)

Liberty (SAHS)

PA

22

Lancaster DW

PA

21

Princess Anne

MD

20

Johnstown

PA

18

TRINITY

MI

18

GC_MAD

IL

17

Bklyn - PS 314

NY

17

Howard County Near Road

MD

17

East St. Louis

IL

17

Fort Lee Near Road

NJ

16