Environment
Hillview Crest Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Hillview Crest Elementary in Hayward, California.
Latest Air Quality Index
31
Good · monitor 15.1 km away
PM2.5 annual5.6 µg/m³
Water health violations 10yr0
TRI sites within 1 mi17
Air Quality
EPA AirNow + AQS · 2024
31
AQI latest — Good
31
AQI 7-day avg
1
Days unhealthy in last 90
5.6
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
36.2
Ozone annual ppb
20.2
NO₂ annual ppb
Public Water System
CITY OF HAYWARD · PWS CA0110006
0
Health-based violations (10yr)
0
Acute violations (10yr)
162,954
Population served
—
Most recent violation type
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
17
TRI sites within 1 mile
53
TRI sites within 5 miles
13.1 mi
Nearest Superfund (NPL)
SOUTH BAY ASBESTOS AREA
3.0 mi
Nearest brownfield
KMART
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).