Environment
Day Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Day Elementary in Westford, Massachusetts.
Latest Air Quality Index
30
Good · monitor 14.3 km away
PM2.5 annual5.4 µg/m³
Water health violations 10yr0
TRI sites within 1 mi2
Air Quality
EPA AirNow + AQS · 2024
30
AQI latest — Good
30
AQI 7-day avg
3
Days unhealthy in last 90
5.4
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
44.9
Ozone annual ppb
19.9
NO₂ annual ppb
Public Water System
WESTFORD WATER DEPARTMENT · PWS MA3330000
0
Health-based violations (10yr)
0
Acute violations (10yr)
18,680
Population served
66
Most recent violation type
2018-06-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
2
TRI sites within 1 mile
18
TRI sites within 5 miles
5.8 mi
Nearest Superfund (NPL)
CHARLES GEORGE RECLAMATION TRUST LANDFILL
0.8 mi
Nearest brownfield
WESTFORD ANODIZING FACILITY
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).