Site
State
PM AQI* (ug/m3)
Portola
CA
22
Montague-285 N 8th St
21
Unit1029
Calexico - Ethel Street
19
Indio - Jackson Street
15
Bishop Paiute Tribe-CA
13
Weaverville
Mammoth Lakes
12
Indio-29 Palms
Chester BAM
11