Site
State
PM AQI* (ug/m3)
Albany
GA
25
Athens
23
Laredo C313
TX
22
Liberty (SAHS)
PA
Isla Blanca C323/C667
21
Ellyson Industrial Park
FL
19
Westlake
LA
GPORT YC
MS
17
Steubenville
OH
WAVELAND
16