Environment
Roy Elem School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Roy Elem School in Northlake, Illinois.
Latest Air Quality Index
46
Good · monitor 5.5 km away
PM2.5 annual8.3 µg/m³
TRI sites within 1 mi4
Air Quality
EPA AirNow + AQS · 2024
46
AQI latest — Good
46
AQI 7-day avg
3
Days unhealthy in last 90
8.3
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
47.0
Ozone annual ppb
33.6
NO₂ annual ppb
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
4
TRI sites within 1 mile
204
TRI sites within 5 miles
14.8 mi
Nearest Superfund (NPL)
LENZ OIL SERVICE INC
0.8 mi
Nearest brownfield
VERLARE DRY CLEANER
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).