Environment
Freedom High — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Freedom High in Oakley, California.
Latest Air Quality Index
22
Good · monitor 27.1 km away
PM2.5 annual3.9 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
22
AQI latest — Good
22
AQI 7-day avg
3
Days unhealthy in last 90
3.9
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
32.2
Ozone annual ppb
9.1
NO₂ annual ppb
Public Water System
DIABLO WATER DISTRICT · PWS CA0710007
0
Health-based violations (10yr)
0
Acute violations (10yr)
43,357
Population served
—
Most recent violation type
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
9
TRI sites within 5 miles
16.2 mi
Nearest Superfund (NPL)
CONCORD NAVAL WEAPONS STATION
0.9 mi
Nearest brownfield
PROPOSED FOURTH MIDDLE SCHOOL SITE
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).