Environment
Jefferson Elem School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Jefferson Elem School in Berwyn, Illinois.
Latest Air Quality Index
41
Good · monitor 4.4 km away
PM2.5 annual7.5 µg/m³
Water health violations 10yr0
TRI sites within 1 mi3
Air Quality
EPA AirNow + AQS · 2024
41
AQI latest — Good
41
AQI 7-day avg
0
Days unhealthy in last 90
7.5
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
49.1
Ozone annual ppb
25.5
NO₂ annual ppb
Public Water System
BERWYN · PWS IL0310210
0
Health-based violations (10yr)
0
Acute violations (10yr)
57,250
Population served
71
Most recent violation type
2025-07-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
3
TRI sites within 1 mile
199
TRI sites within 5 miles
12.7 mi
Nearest Superfund (NPL)
LENZ OIL SERVICE INC
1.8 mi
Nearest brownfield
OSWALD PROPERTY
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).