Environment
Post Middle School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Post Middle School in Arlington, Washington.
Latest Air Quality Index
44
Good · monitor 16.4 km away
PM2.5 annual7.9 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
44
AQI latest — Good
44
AQI 7-day avg
3
Days unhealthy in last 90
7.9
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
Public Water System
ARLINGTON CITY OF · PWS WA5302950
0
Health-based violations (10yr)
0
Acute violations (10yr)
20,418
Population served
—
Most recent violation type
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
19
TRI sites within 5 miles
27.4 mi
Nearest Superfund (NPL)
NAVAL AIR STATION WHIDBEY ISLAND AULT FIELD
5.7 mi
Nearest brownfield
ALPACA FARM
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).