Environment
Underdown Learning Center — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Underdown Learning Center in AVONDALE, Arizona.
Latest Air Quality Index
51
Moderate · monitor 14.9 km away
PM2.5 annual9.5 µg/m³
Water health violations 10yr0
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
51
AQI latest — Moderate
51
AQI 7-day avg
0
Days unhealthy in last 90
9.5
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
56.2
Ozone annual ppb
31.6
NO₂ annual ppb
Public Water System
AVONDALE CITY OF · PWS AZ0407088
0
Health-based violations (10yr)
0
Acute violations (10yr)
83,001
Population served
75
Most recent violation type
2025-05-18
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
29
TRI sites within 5 miles
4.3 mi
Nearest Superfund (NPL)
PHOENIX GOODYEAR AIRPORT AREA
1.9 mi
Nearest brownfield
AVONDALE RIGHT OF WAY
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).