Environment
Tranquillity Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Tranquillity Elementary in Tranquillity, California.
Latest Air Quality Index
39
Good · monitor 11.7 km away
PM2.5 annual7.0 µg/m³
Water health violations 10yr2
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
39
AQI latest — Good
39
AQI 7-day avg
3
Days unhealthy in last 90
7.0
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
47.7
Ozone annual ppb
Public Water System
TRANQUILLITY IRRIGATION DISTRICT · PWS CA1010030
2
Health-based violations (10yr)
0
Acute violations (10yr)
807
Population served
02 (health-based)
Most recent violation type
2025-04-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
1
TRI sites within 5 miles
24.0 mi
Nearest Superfund (NPL)
FRESNO MUNICIPAL SANITARY LANDFILL
10.4 mi
Nearest brownfield
PROPOSED MENDOTA JUNIOR HIGH SCHOOL
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).