Environment
Riverdale — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Riverdale in Dedham, Massachusetts.
Latest Air Quality Index
32
Good · monitor 10.4 km away
PM2.5 annual5.7 µg/m³
Water health violations 10yr2
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
32
AQI latest — Good
32
AQI 7-day avg
0
Days unhealthy in last 90
5.7
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
47.6
Ozone annual ppb
7.1
NO₂ annual ppb
Public Water System
DEDHAM WESTWOOD WATER DIST. · PWS MA3073000
2
Health-based violations (10yr)
0
Acute violations (10yr)
41,630
Population served
02 (health-based)
Most recent violation type
2021-10-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
27
TRI sites within 5 miles
3.2 mi
Nearest Superfund (NPL)
LOWER NEPONSET RIVER
1.5 mi
Nearest brownfield
THRUSH HERON
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).