Environment
Hellgate El Intermediate — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Hellgate El Intermediate in Missoula, Montana.
Latest Air Quality Index
30
Good · monitor 6.4 km away
PM2.5 annual5.4 µg/m³
Water health violations 10yr0
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
30
AQI latest — Good
30
AQI 7-day avg
3
Days unhealthy in last 90
5.4
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
44.4
Ozone annual ppb
Public Water System
MISSOULA WATER · PWS MT0000294
0
Health-based violations (10yr)
0
Acute violations (10yr)
68,200
Population served
03
Most recent violation type
2017-04-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
8
TRI sites within 5 miles
8.2 mi
Nearest Superfund (NPL)
SMURFIT STONE MILL FRENCHTOWN
0.8 mi
Nearest brownfield
SAMMONS TRANSPORTATION
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).