Environment
Descanso Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Descanso Elementary in Descanso, California.
Latest Air Quality Index
38
Good · monitor 14.6 km away
PM2.5 annual6.8 µg/m³
Water health violations 10yr12
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
38
AQI latest — Good
38
AQI 7-day avg
1
Days unhealthy in last 90
6.8
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
60.3
Ozone annual ppb
8.7
NO₂ annual ppb
Public Water System
CUYAMACA OUTDOOR SCHOOL · PWS CA3701909
12
Health-based violations (10yr)
0
Acute violations (10yr)
500
Population served
02 (health-based)
Most recent violation type
2018-04-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
0
TRI sites within 5 miles
52.2 mi
Nearest Superfund (NPL)
CAMP PENDLETON MARINE CORPS BASE
20.5 mi
Nearest brownfield
KKAR SMOG AND AUTO SERVICES
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).