Environment
Polytechnic High — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Polytechnic High in Riverside, California.
Latest Air Quality Index
56
Moderate · monitor 6.9 km away
PM2.5 annual11.9 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
56
AQI latest — Moderate
56
AQI 7-day avg
3
Days unhealthy in last 90
11.9
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
67.1
Ozone annual ppb
24.8
NO₂ annual ppb
Public Water System
RIVERSIDE, CITY OF · PWS CA3310031
0
Health-based violations (10yr)
0
Acute violations (10yr)
298,398
Population served
—
Most recent violation type
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
37
TRI sites within 5 miles
2.8 mi
Nearest Superfund (NPL)
ALARK HARD CHROME
1.8 mi
Nearest brownfield
4399 MAIN
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).