Site
State
PM AQI* (ug/m3)
Albany
GA
25
Hinds CC
MS
22
Portola
CA
20
Indpls-Washington Park
IN
19
Hattiesburg
18
Columbus Airport
17
Indpls - I-70 E
Laredo C313
TX
Eliza Howell- Roadway
MI
WATSON
KY