Environment
CORNERSTONE ELEMENTARY — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of CORNERSTONE ELEMENTARY in EXCELSIOR SPRINGS, Missouri.
Latest Air Quality Index
28
Good · monitor 11.5 km away
PM2.5 annual5.0 µg/m³
Water health violations 10yr8
TRI sites within 1 mi2
Air Quality
EPA AirNow + AQS · 2024
28
AQI latest — Good
28
AQI 7-day avg
1
Days unhealthy in last 90
5.0
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
48.3
Ozone annual ppb
Public Water System
EXCELSIOR SPRINGS PWS · PWS MO1010261
8
Health-based violations (10yr)
0
Acute violations (10yr)
11,084
Population served
31
Most recent violation type
2025-04-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
2
TRI sites within 1 mile
4
TRI sites within 5 miles
12.4 mi
Nearest Superfund (NPL)
LEE CHEMICAL
1.5 mi
Nearest brownfield
WYMAN SCHOOL
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).