Environment
McSwain Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of McSwain Elementary in Merced, California.
Latest Air Quality Index
44
Good · monitor 7.7 km away
PM2.5 annual7.8 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
44
AQI latest — Good
44
AQI 7-day avg
3
Days unhealthy in last 90
7.8
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
52.5
Ozone annual ppb
16.1
NO₂ annual ppb
Public Water System
CITY OF MERCED · PWS CA2410009
0
Health-based violations (10yr)
0
Acute violations (10yr)
93,692
Population served
—
Most recent violation type
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
18
TRI sites within 5 miles
4.6 mi
Nearest Superfund (NPL)
CASTLE AIR FORCE BASE 6 AREAS
4.0 mi
Nearest brownfield
REDEVELOPMENT AGENCY OF MERCED BROWNFIELD
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).