Environment
Roy Cloud Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Roy Cloud Elementary in Redwood City, California.
Latest Air Quality Index
30
Good · monitor 5.3 km away
PM2.5 annual5.3 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
30
AQI latest — Good
30
AQI 7-day avg
1
Days unhealthy in last 90
5.3
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
34.3
Ozone annual ppb
19.1
NO₂ annual ppb
Public Water System
CITY OF REDWOOD CITY · PWS CA4110022
0
Health-based violations (10yr)
0
Acute violations (10yr)
92,819
Population served
—
Most recent violation type
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
39
TRI sites within 5 miles
6.7 mi
Nearest Superfund (NPL)
HEWLETT PACKARD 620 640 PAGE MILL ROAD
5.4 mi
Nearest brownfield
WINDMILL SCHOOL
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).