Environment
Willow Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Willow Elementary in Glendora, California.
Latest Air Quality Index
62
Moderate · monitor 22.5 km away
PM2.5 annual15.0 µg/m³
Water health violations 10yr0
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
62
AQI latest — Moderate
62
AQI 7-day avg
3
Days unhealthy in last 90
15.0
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
69.8
Ozone annual ppb
16.5
NO₂ annual ppb
Public Water System
GLENDORA-CITY, WATER DEPT. · PWS CA1910044
0
Health-based violations (10yr)
0
Acute violations (10yr)
49,934
Population served
52
Most recent violation type
2021-10-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
40
TRI sites within 5 miles
6.1 mi
Nearest Superfund (NPL)
SAN GABRIEL VALLEY AREA 2
6.5 mi
Nearest brownfield
RIDGEWAY
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).