Site

State

PM AQI* (ug/m3)

Liberty (SAHS)

PA

25

Danbury

CT

17

Newark Firehouse

NJ

17

Reading Airport

PA

16

Chester

PA

16

Indpls-W.18th St

IN

15

Fort Lee Near Road

NJ

15

Canton

OH

14

Parkway East (Near Road)

PA

14

Harrisburg

PA

14