Environment
Unity Elementary School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Unity Elementary School in Sioux City, Iowa.
Latest Air Quality Index
42
Good · monitor 2.5 km away
PM2.5 annual7.6 µg/m³
Water health violations 10yr19
TRI sites within 1 mi3
Air Quality
EPA AirNow + AQS · 2024
42
AQI latest — Good
42
AQI 7-day avg
0
Days unhealthy in last 90
7.6
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
47.7
Ozone annual ppb
Public Water System
SIOUX CITY WATER SUPPLY · PWS IA9778054
19
Health-based violations (10yr)
0
Acute violations (10yr)
85,791
Population served
27
Most recent violation type
2024-05-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
3
TRI sites within 1 mile
19
TRI sites within 5 miles
22.1 mi
Nearest Superfund (NPL)
HIGHWAY 3 PCE
0.4 mi
Nearest brownfield
SAMUEL SHINDLER PROPERTY II
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).