Site
State
AQI*
Johnstown
PA
26
Indpls - I-70 E
IN
23
CHARLESTON
WV
22
RUTLAND
VT
21
MILITARY PARK
MI
20
TRINITY ST MARKS
DET POLICE 4TH
19
Fort Wayne-Beacon St
Davenport, 10th & Vine
IA
Cincinnati Near Road
OH