Environment
Napa Junction Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Napa Junction Elementary in American Canyon, California.
Latest Air Quality Index
28
Good · monitor 9.2 km away
PM2.5 annual4.2 µg/m³
Water health violations 10yr18
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
28
AQI latest — Good
28
AQI 7-day avg
1
Days unhealthy in last 90
4.2
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
35.1
Ozone annual ppb
20.2
NO₂ annual ppb
Public Water System
AMERICAN CANYON, CITY OF · PWS CA2810005
18
Health-based violations (10yr)
0
Acute violations (10yr)
21,437
Population served
52
Most recent violation type
2020-10-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
6
TRI sites within 5 miles
17.3 mi
Nearest Superfund (NPL)
CONCORD NAVAL WEAPONS STATION
4.2 mi
Nearest brownfield
ST JOHN S MINE
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).