Environment
Serrano Intermediate — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Serrano Intermediate in Lake Forest, California.
Latest Air Quality Index
55
Moderate · monitor 30.8 km away
PM2.5 annual10.5 µg/m³
Water health violations 10yr0
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
55
AQI latest — Moderate
55
AQI 7-day avg
3
Days unhealthy in last 90
10.5
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
43.5
Ozone annual ppb
29.2
NO₂ annual ppb
Public Water System
EL TORO WATER DISTRICT · PWS CA3010079
0
Health-based violations (10yr)
0
Acute violations (10yr)
51,800
Population served
—
Most recent violation type
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
30
TRI sites within 5 miles
3.0 mi
Nearest Superfund (NPL)
EL TORO MARINE CORPS AIR STATION
10.1 mi
Nearest brownfield
GRIJALVA PARK EXTENSION
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).