Environment
Harmony Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Harmony Elementary in Delhi, California.
Latest Air Quality Index
52
Moderate · monitor 8.7 km away
PM2.5 annual9.4 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
52
AQI latest — Moderate
52
AQI 7-day avg
3
Days unhealthy in last 90
9.4
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
51.9
Ozone annual ppb
16.1
NO₂ annual ppb
Public Water System
DELHI CWD · PWS CA2410006
0
Health-based violations (10yr)
0
Acute violations (10yr)
7,784
Population served
4H
Most recent violation type
2025-07-02
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
5
TRI sites within 5 miles
4.2 mi
Nearest Superfund (NPL)
VALLEY WOOD PRESERVING INC
4.2 mi
Nearest brownfield
CITY OF LIVINGSTON CORRIDOR STUDY
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).