Environment
Flathead High School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Flathead High School in Kalispell, Montana.
Latest Air Quality Index
45
Good · monitor 21.4 km away
PM2.5 annual8.0 µg/m³
Water health violations 10yr0
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
45
AQI latest — Good
45
AQI 7-day avg
3
Days unhealthy in last 90
8.0
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
Public Water System
KALISPELL PUBLIC WORKS · PWS MT0000259
0
Health-based violations (10yr)
0
Acute violations (10yr)
25,000
Population served
03
Most recent violation type
2020-04-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
3
TRI sites within 5 miles
16.2 mi
Nearest Superfund (NPL)
ANACONDA ALUMINUM CO COLUMBIA FALLS REDUCTION PLANT
0.3 mi
Nearest brownfield
GLACIER MONUMENTS
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).