Environment
Arcohe Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Arcohe Elementary in Herald, California.
Latest Air Quality Index
26
Good · monitor 22.3 km away
PM2.5 annual4.8 µg/m³
Water health violations 10yr1
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
26
AQI latest — Good
26
AQI 7-day avg
1
Days unhealthy in last 90
4.8
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
31.0
Ozone annual ppb
7.0
NO₂ annual ppb
Public Water System
ARCOHE ELEM SCHOOL - MAIN CAMPUS · PWS CA3400271
1
Health-based violations (10yr)
1
Acute violations (10yr)
465
Population served
22 (health-based) [ACUTE]
Most recent violation type
2016-03-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
3
TRI sites within 5 miles
17.6 mi
Nearest Superfund (NPL)
SACRAMENTO ARMY DEPOT
4.9 mi
Nearest brownfield
CALVARY CHRISTIAN
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).