Environment
Learning Corner — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Learning Corner in North Tustin, California.
Latest Air Quality Index
55
Moderate · monitor 14.7 km away
PM2.5 annual10.5 µg/m³
TRI sites within 1 mi0
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
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
122
TRI sites within 5 miles
7.5 mi
Nearest Superfund (NPL)
EL TORO MARINE CORPS AIR STATION
1.3 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).