Environment
STONEBRIDGE ELEMENTARY — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of STONEBRIDGE ELEMENTARY in STILLWATER, Minnesota.
Latest Air Quality Index
37
Good · monitor 20.3 km away
PM2.5 annual7.5 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
37
AQI latest — Good
37
AQI 7-day avg
0
Days unhealthy in last 90
7.5
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
41.2
Ozone annual ppb
10.0
NO₂ annual ppb
Public Water System
Stillwater · PWS MN1820024
0
Health-based violations (10yr)
0
Acute violations (10yr)
19,462
Population served
4H
Most recent violation type
2025-07-02
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
3
TRI sites within 5 miles
4.4 mi
Nearest Superfund (NPL)
BAYTOWN TOWNSHIP GROUND WATER PLUME
0.7 mi
Nearest brownfield
STILLWATER CITY DUMP
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).