Site

State

PM AQI* (ug/m3)

Chester

PA

38

Indpls-W.18th St

IN

37

Indpls - I-70 E

IN

31

Terre Haute-Lafayette Ave

IN

26

Indpls-Washington Park

IN

23

YPSILANTI

MI

22

TRINITY ST MARKS

MI

21

Hammond-167th St

IN

20

Elizabeth Trailer

NJ

20

MILITARY PARK

MI

18