Environment
Stanton Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Stanton Elementary in Castro Valley, California.
Latest Air Quality Index
34
Good · monitor 8.2 km away
PM2.5 annual6.2 µg/m³
Water health violations 10yr1
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
34
AQI latest — Good
34
AQI 7-day avg
3
Days unhealthy in last 90
6.2
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
36.2
Ozone annual ppb
19.2
NO₂ annual ppb
Public Water System
NORRIS CANYON PROPERTY OWNERS ASSN · PWS CA0103040
1
Health-based violations (10yr)
0
Acute violations (10yr)
50
Population served
2E (health-based)
Most recent violation type
2024-10-17
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
54
TRI sites within 5 miles
13.0 mi
Nearest Superfund (NPL)
AMCO CHEMICAL
1.0 mi
Nearest brownfield
FORMER U HAUL
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).