Site
State
PM AQI* (ug/m3)
CHICK.
AL
53
Sapello-1033 NM-518
NM
41
Hidden Valley
AZ
40
PM2.5 Mammoth Lakes EBAM
CA
28
South Phoenix
23
Nipomo Mesa CDF
22
Portola
21
Montvale-1069 Goose Creek V...
VA
20
Springville
Durango Complex
19