Site

State

PM AQI* (ug/m3)

Springfield PM

OH

29

St. Paul-Harding H.S.

MN

26

Fort Lee Near Road

NJ

24

G.T.Craig

OH

23

Waterloo, Water Tower

IA

22

Colerain

OH

22

Liberty (SAHS)

PA

22

Newark Firehouse

NJ

21

Manhattan/IS143

NY

21

Cincinnati Near Road

OH

20