Environment
Collegewood Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Collegewood Elementary in Walnut Valley, California.
Latest Air Quality Index
58
Moderate · monitor 20.3 km away
PM2.5 annual12.6 µg/m³
TRI sites within 1 mi0
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)
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
58
TRI sites within 5 miles
5.0 mi
Nearest Superfund (NPL)
SAN GABRIEL VALLEY AREA 2
3.5 mi
Nearest brownfield
WEST COVINA SPORTSPLEX SITE
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).