Environment
Porter Elementary School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Porter Elementary School in MESA, Arizona.
Latest Air Quality Index
39
Good · monitor 8.9 km away
PM2.5 annual7.1 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
39
AQI latest — Good
39
AQI 7-day avg
3
Days unhealthy in last 90
7.1
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
57.3
Ozone annual ppb
29.8
NO₂ annual ppb
Public Water System
MESA CITY OF · PWS AZ0407095
0
Health-based violations (10yr)
0
Acute violations (10yr)
466,000
Population served
3A
Most recent violation type
2025-08-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
20
TRI sites within 5 miles
9.0 mi
Nearest Superfund (NPL)
WILLIAMS AIR FORCE BASE
1.9 mi
Nearest brownfield
GRE 6101
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).