Environment
Colton High — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Colton High in Colton, California.
Latest Air Quality Index
59
Moderate · monitor 6.9 km away
PM2.5 annual13.2 µg/m³
Water health violations 10yr0
TRI sites within 1 mi2
Air Quality
EPA AirNow + AQS · 2024
59
AQI latest — Moderate
59
AQI 7-day avg
3
Days unhealthy in last 90
13.2
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
68.9
Ozone annual ppb
28.7
NO₂ annual ppb
Public Water System
COLTON, CITY OF · PWS CA3610014
0
Health-based violations (10yr)
0
Acute violations (10yr)
46,525
Population served
03
Most recent violation type
2022-01-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
2
TRI sites within 1 mile
55
TRI sites within 5 miles
5.7 mi
Nearest Superfund (NPL)
ALARK HARD CHROME
0.5 mi
Nearest brownfield
SANTA FE DEPOT
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).