Environment
J B Conant High School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of J B Conant High School in Hoffman Estates, Illinois.
Latest Air Quality Index
40
Good · monitor 16.7 km away
PM2.5 annual7.3 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
40
AQI latest — Good
40
AQI 7-day avg
3
Days unhealthy in last 90
7.3
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
50.0
Ozone annual ppb
33.6
NO₂ annual ppb
Public Water System
HOFFMAN ESTATES · PWS IL0311290
0
Health-based violations (10yr)
0
Acute violations (10yr)
50,179
Population served
—
Most recent violation type
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
71
TRI sites within 5 miles
11.3 mi
Nearest Superfund (NPL)
TRI COUNTY LANDFILL CO WASTE MANAGEMENT OF ILLINOIS INC
3.8 mi
Nearest brownfield
MURZYN ANDERSON SITE
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).