Environment
H E L P Marshall — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of H E L P Marshall in Marshall, Illinois.
Latest Air Quality Index
50
Good · monitor 27.3 km away
PM2.5 annual9.0 µg/m³
Water health violations 10yr0
TRI sites within 1 mi2
Air Quality
EPA AirNow + AQS · 2024
50
AQI latest — Good
50
AQI 7-day avg
3
Days unhealthy in last 90
9.0
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
48.1
Ozone annual ppb
Public Water System
CLARK-EDGAR RWD · PWS IL0230010
0
Health-based violations (10yr)
0
Acute violations (10yr)
9,657
Population served
—
Most recent violation type
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
2
TRI sites within 1 mile
2
TRI sites within 5 miles
1.9 mi
Nearest Superfund (NPL)
VELSICOL CHEMICAL CORP MARSHALL PLANT
0.3 mi
Nearest brownfield
ABP PROPERTIES
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).