Environment
Central Area — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Central Area in Westborough, Massachusetts.
Latest Air Quality Index
30
Good · monitor 16.0 km away
PM2.5 annual5.4 µg/m³
Water health violations 10yr4
TRI sites within 1 mi2
Air Quality
EPA AirNow + AQS · 2024
30
AQI latest — Good
30
AQI 7-day avg
0
Days unhealthy in last 90
5.4
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
43.1
Ozone annual ppb
18.0
NO₂ annual ppb
Public Water System
WESTBOROUGH WATER DEPARTMENT · PWS MA2328000
4
Health-based violations (10yr)
2
Acute violations (10yr)
21,567
Population served
41 (health-based)
Most recent violation type
2025-11-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
2
TRI sites within 1 mile
45
TRI sites within 5 miles
2.8 mi
Nearest Superfund (NPL)
HOCOMONCO POND
1.7 mi
Nearest brownfield
50 MILK STREET
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).