Site

State

PM AQI* (ug/m3)

Liberty (SAHS)

PA

25

Johnstown

PA

20

Elizabeth Trailer

NJ

18

DETROIT-SW

MI

17

Danbury

CT

17

Harrisburg

PA

16

Steubenville

OH

16

Newark Firehouse

NJ

16

Fort Lee Near Road

NJ

16

Worcester

MA

15