Environment
El Monte High — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of El Monte High in El Monte, California.
Latest Air Quality Index
58
Moderate · monitor 6.8 km away
PM2.5 annual12.6 µg/m³
Water health violations 10yr4
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
58
AQI latest — Moderate
58
AQI 7-day avg
3
Days unhealthy in last 90
12.6
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
56.8
Ozone annual ppb
27.4
NO₂ annual ppb
Public Water System
SAN GABRIEL VALLEY WATER CO.-EL MONTE · PWS CA1910039
4
Health-based violations (10yr)
0
Acute violations (10yr)
248,000
Population served
41 (health-based)
Most recent violation type
2019-06-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
121
TRI sites within 5 miles
4.6 mi
Nearest Superfund (NPL)
SAN GABRIEL VALLEY AREA 1
5.6 mi
Nearest brownfield
CHAPIN ROAD LANDFILL
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).