Environment
Westmark School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Westmark School in Encino, California.
Latest Air Quality Index
53
Moderate · monitor 3.8 km away
PM2.5 annual10.1 µg/m³
Water health violations 10yr5
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
53
AQI latest — Moderate
53
AQI 7-day avg
1
Days unhealthy in last 90
10.1
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
59.3
Ozone annual ppb
19.5
NO₂ annual ppb
Public Water System
RIVIERA TERRACE TC · PWS AK2210451
5
Health-based violations (10yr)
0
Acute violations (10yr)
435
Population served
45 (health-based)
Most recent violation type
2020-08-06
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
37
TRI sites within 5 miles
9.2 mi
Nearest Superfund (NPL)
SAN FERNANDO VALLEY AREA 1
1.0 mi
Nearest brownfield
DELANO PARK
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).