Environment
Hermosa Elementary - 04 — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Hermosa Elementary - 04 in Hermosa, South Dakota.
Latest Air Quality Index
39
Good · monitor 28.3 km away
PM2.5 annual7.0 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
7.0
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
10.9
NO₂ annual ppb
Public Water System
HERMOSA-OLD SYSTEM · PWS SD4600154
0
Health-based violations (10yr)
0
Acute violations (10yr)
420
Population served
3A
Most recent violation type
2025-04-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
0
TRI sites within 5 miles
22.2 mi
Nearest Superfund (NPL)
ELLSWORTH AIR FORCE BASE
16.4 mi
Nearest brownfield
SDSM T PROPERTY
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).