Environment
Quail Summit Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Quail Summit Elementary in Diamond Bar, California.
Latest Air Quality Index
62
Moderate · monitor 18.3 km away
PM2.5 annual15.0 µg/m³
TRI sites within 1 mi0
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)
64.3
Ozone annual ppb
29.4
NO₂ annual ppb
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
37
TRI sites within 5 miles
8.6 mi
Nearest Superfund (NPL)
SAN GABRIEL VALLEY AREA 4
5.4 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).