Environment
Central School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Central School in Lemont, Illinois.
Latest Air Quality Index
45
Good · monitor 17.0 km away
PM2.5 annual8.2 µg/m³
Water health violations 10yr1
TRI sites within 1 mi5
Air Quality
EPA AirNow + AQS · 2024
45
AQI latest — Good
45
AQI 7-day avg
3
Days unhealthy in last 90
8.2
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
50.7
Ozone annual ppb
25.3
NO₂ annual ppb
Public Water System
LEMONT · PWS IL0311620
1
Health-based violations (10yr)
0
Acute violations (10yr)
17,500
Population served
65 (health-based)
Most recent violation type
2025-08-31
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
5
TRI sites within 1 mile
40
TRI sites within 5 miles
3.7 mi
Nearest Superfund (NPL)
LENZ OIL SERVICE INC
0.4 mi
Nearest brownfield
TRI CENTRAL MARINE TERMINAL
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).