Environment
Hillside Middle — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Hillside Middle in Simi Valley, California.
Latest Air Quality Index
38
Good · monitor 6.8 km away
PM2.5 annual7.4 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
38
AQI latest — Good
38
AQI 7-day avg
3
Days unhealthy in last 90
7.4
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
54.7
Ozone annual ppb
15.1
NO₂ annual ppb
Public Water System
VENTURA WWD NO. 8 - SIMI VALLEY · PWS CA5610023
0
Health-based violations (10yr)
0
Acute violations (10yr)
94,738
Population served
03
Most recent violation type
2022-01-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
14
TRI sites within 5 miles
13.3 mi
Nearest Superfund (NPL)
PACIFIC COAST PIPELINE
9.5 mi
Nearest brownfield
OWENSMOUTH WEST VALLEY PLAYHOUSE
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).