Environment
School Without Walls HS — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of School Without Walls HS in Washington, District of Columbia.
Latest Air Quality Index
35
Good · monitor 4.0 km away
PM2.5 annual6.3 µg/m³
Water health violations 10yr0
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
35
AQI latest — Good
35
AQI 7-day avg
3
Days unhealthy in last 90
6.3
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
45.0
Ozone annual ppb
18.6
NO₂ annual ppb
Public Water System
D.C. WATER AND SEWER AUTHORITY · PWS DC0000002
0
Health-based violations (10yr)
0
Acute violations (10yr)
632,323
Population served
3A
Most recent violation type
2023-01-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
26
TRI sites within 5 miles
3.6 mi
Nearest Superfund (NPL)
WASHINGTON NAVY YARD
1.0 mi
Nearest brownfield
13TH STREET NE SQ 1026 LOT 0100
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).