Environment
Leggee Elementary School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Leggee Elementary School in Huntley, Illinois.
Latest Air Quality Index
42
Good · monitor 19.7 km away
PM2.5 annual7.6 µg/m³
Water health violations 10yr6
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
42
AQI latest — Good
42
AQI 7-day avg
3
Days unhealthy in last 90
7.6
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
47.5
Ozone annual ppb
Public Water System
HUNTLEY · PWS IL1110350
6
Health-based violations (10yr)
6
Acute violations (10yr)
28,495
Population served
1A (health-based) [ACUTE]
Most recent violation type
2025-07-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
10
TRI sites within 5 miles
9.0 mi
Nearest Superfund (NPL)
WOODSTOCK MUNICIPAL LANDFILL
6.0 mi
Nearest brownfield
UNION EVERGREEN SCHOOL
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).