Environment
Polytechnic High — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Polytechnic High in Long Beach, California.
Latest Air Quality Index
51
Moderate · monitor 1.4 km away
PM2.5 annual11.3 µg/m³
Water health violations 10yr0
TRI sites within 1 mi3
Air Quality
EPA AirNow + AQS · 2024
51
AQI latest — Moderate
51
AQI 7-day avg
3
Days unhealthy in last 90
11.3
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
46.9
Ozone annual ppb
21.3
NO₂ annual ppb
Public Water System
LONG BEACH UTILITIES DEPARTMENT · PWS CA1910065
0
Health-based violations (10yr)
0
Acute violations (10yr)
466,772
Population served
04
Most recent violation type
2017-04-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
3
TRI sites within 1 mile
100
TRI sites within 5 miles
7.4 mi
Nearest Superfund (NPL)
DEL AMO
1.0 mi
Nearest brownfield
LAS BRISAS PHASE II
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).