Site
State
PM AQI* (ug/m3)
Portola
CA
19
Otay Mesa - Donovan
Indpls - I-70 E
IN
18
Sequoia National Park-River Rd
Paonia
CO
17
WAUKESHA - CLEVELAND AVE
WI
15
JPRECC
KY
Nipomo Mesa CDF
14
Moore
OK
Cicero2
IL
13