Environment
Four Corners Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Four Corners Elementary in Superior, Wisconsin.
Latest Air Quality Index
34
Good · monitor 24.4 km away
PM2.5 annual6.1 µg/m³
Water health violations 10yr4
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
34
AQI latest — Good
34
AQI 7-day avg
3
Days unhealthy in last 90
6.1
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
41.4
Ozone annual ppb
Public Water System
SUPERIOR WATER LIGHT & POWER COMPANY · PWS WI8160147
4
Health-based violations (10yr)
0
Acute violations (10yr)
26,084
Population served
2E (health-based)
Most recent violation type
2024-10-17
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
0
TRI sites within 5 miles
11.9 mi
Nearest Superfund (NPL)
ST LOUIS RIVER SITE
12.5 mi
Nearest brownfield
ATLAS INDUSTRIAL PARK
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).