Environment
Colusa Alternative High (Continuation) — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Colusa Alternative High (Continuation) in Colusa, California.
Latest Air Quality Index
34
Good · monitor 2.2 km away
PM2.5 annual6.1 µg/m³
Water health violations 10yr0
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
34
AQI latest — Good
34
AQI 7-day avg
3
Days unhealthy in last 90
6.1
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
46.8
Ozone annual ppb
Public Water System
CITY OF COLUSA · PWS CA0610002
0
Health-based violations (10yr)
0
Acute violations (10yr)
6,447
Population served
3A
Most recent violation type
2022-03-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
1
TRI sites within 5 miles
30.7 mi
Nearest Superfund (NPL)
KOPPERS CO INC OROVILLE PLANT
17.0 mi
Nearest brownfield
CORTINA LOT 50 SPRING VALLEY RD
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).