Site
State
PM AQI* (ug/m3)
Union
OK
36
Liberty (SAHS)
PA
34
Heritage Park
KS
25
PC South Girard School
AL
23
MILITARY PARK
MI
22
Chanute
Portola
CA
21
KNI-Topeka
WAUKESHA - CLEVELAND AVE
WI
Glenpool
20