Site
State
PM AQI* (ug/m3)
Portola
CA
34
Bailey-60288 US-285
CO
30
Hurst Road
AK
29
Salmon PM2.5
ID
27
Gridley
22
MMCA81010
21
Redding-22338 Jones Valley Rd
20
Cave Junction Forest Service
OR
19
El Paso UTEP C12
TX
MMCA81044