Site
State
PM AQI* (ug/m3)
Indpls-Washington Park
IN
23
Indpls - I-70 E
21
DETROIT-SW
MI
18
Indpls-W.18th St
17
Ely
MN
14
Liberty (SAHS)
PA
13
Cicero2
IL
DEARBORN
12
TRINITY
Branch Street