Environment
Durham Elementary School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Durham Elementary School in Tigard, Oregon.
Latest Air Quality Index
27
Good · monitor 1.2 km away
PM2.5 annual4.8 µg/m³
Water health violations 10yr0
TRI sites within 1 mi7
Air Quality
EPA AirNow + AQS · 2024
27
AQI latest — Good
27
AQI 7-day avg
3
Days unhealthy in last 90
4.8
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
40.0
Ozone annual ppb
16.7
NO₂ annual ppb
Public Water System
TIGARD, CITY OF · PWS OR4100878
0
Health-based violations (10yr)
0
Acute violations (10yr)
62,500
Population served
03
Most recent violation type
2025-10-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
7
TRI sites within 1 mile
54
TRI sites within 5 miles
9.6 mi
Nearest Superfund (NPL)
NORTHWEST PIPE CASING HALL PROCESS COMPANY
1.3 mi
Nearest brownfield
FIELDS PROPERTY
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).