Environment
Thomas Johnson Middle — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Thomas Johnson Middle in Lanham, Maryland.
Latest Air Quality Index
24
Good · monitor 11.0 km away
PM2.5 annual6.1 µg/m³
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
24
AQI latest — Good
24
AQI 7-day avg
1
Days unhealthy in last 90
6.1
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
50.1
Ozone annual ppb
14.9
NO₂ annual ppb
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
9
TRI sites within 5 miles
5.3 mi
Nearest Superfund (NPL)
BELTSVILLE AGRICULTURAL RESEARCH CENTER USDA
3.8 mi
Nearest brownfield
WILSON FARM SITE
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).