Environment
St Cletus School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of St Cletus School in La Grange, Illinois.
Latest Air Quality Index
47
Good · monitor 3.8 km away
PM2.5 annual8.5 µg/m³
Water health violations 10yr0
TRI sites within 1 mi5
Air Quality
EPA AirNow + AQS · 2024
47
AQI latest — Good
47
AQI 7-day avg
3
Days unhealthy in last 90
8.5
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
49.1
Ozone annual ppb
25.5
NO₂ annual ppb
Public Water System
LA GRANGE · PWS IL0311530
0
Health-based violations (10yr)
0
Acute violations (10yr)
16,200
Population served
4H
Most recent violation type
2025-07-02
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
5
TRI sites within 1 mile
92
TRI sites within 5 miles
6.7 mi
Nearest Superfund (NPL)
LENZ OIL SERVICE INC
1.8 mi
Nearest brownfield
TRIANGLE PROJECT 7 LAGRANGE MULTI TENANTS
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).