Environment
St Patrick School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of St Patrick School in Larkspur, California.
Latest Air Quality Index
28
Good · monitor 4.4 km away
PM2.5 annual5.1 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
28
AQI latest — Good
28
AQI 7-day avg
1
Days unhealthy in last 90
5.1
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
34.6
Ozone annual ppb
17.4
NO₂ annual ppb
Public Water System
PRUNEDALE SHOPPING CENTER WS · PWS CA2701231
0
Health-based violations (10yr)
0
Acute violations (10yr)
1,650
Population served
52
Most recent violation type
2018-10-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
0
TRI sites within 5 miles
9.3 mi
Nearest Superfund (NPL)
UNITED HECKATHORN CO
8.3 mi
Nearest brownfield
RICHMOND PLUNGE SITE
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).