Environment
Olney Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Olney Elementary in Olney, Maryland.
Latest Air Quality Index
33
Good · monitor 5.1 km away
PM2.5 annual5.9 µg/m³
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
33
AQI latest — Good
33
AQI 7-day avg
3
Days unhealthy in last 90
5.9
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
49.2
Ozone annual ppb
26.5
NO₂ annual ppb
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
2
TRI sites within 5 miles
12.9 mi
Nearest Superfund (NPL)
BELTSVILLE AGRICULTURAL RESEARCH CENTER USDA
9.5 mi
Nearest brownfield
NATIONAL PARK SEMINARY
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).