Environment
Holmes Elementary School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Holmes Elementary School in Darien, Connecticut.
Latest Air Quality Index
33
Good · monitor 28.5 km away
PM2.5 annual6.0 µg/m³
Water health violations 10yr0
TRI sites within 1 mi3
Air Quality
EPA AirNow + AQS · 2024
33
AQI latest — Good
33
AQI 7-day avg
3
Days unhealthy in last 90
6.0
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
53.0
Ozone annual ppb
21.9
NO₂ annual ppb
Public Water System
AQUARION-EASTERN FAIRFIELD COUNTY · PWS CT0150011
0
Health-based violations (10yr)
0
Acute violations (10yr)
351,756
Population served
03
Most recent violation type
2021-01-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
3
TRI sites within 1 mile
20
TRI sites within 5 miles
5.5 mi
Nearest Superfund (NPL)
KELLOGG DEERING WELL FIELD
1.7 mi
Nearest brownfield
933 EAST MAIN STREET
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).