Environment
Lone Tree Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Lone Tree Elementary in LONE TREE, Colorado.
Latest Air Quality Index
30
Good · monitor 14.0 km away
PM2.5 annual5.4 µg/m³
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
30
AQI latest — Good
30
AQI 7-day avg
0
Days unhealthy in last 90
5.4
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
50.7
Ozone annual ppb
36.2
NO₂ annual ppb
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
10
TRI sites within 5 miles
11.8 mi
Nearest Superfund (NPL)
LOWRY LANDFILL
8.0 mi
Nearest brownfield
OXFORD VISTA CAMPUS SHENANDOAH BUILDING
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).