Accepted pollutant keys: co, no2, so2, o3, pm25, pm10, pm1, co2, nh3, tvoc, uva, uvb, sound. Units: μg/m³ for gases and PM; ppm for CO₂; mW/m² for UVA/UVB; dB for Sound. Stations outside the current study area are silently ignored.
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3D
Computing…
CONCENTRATION
LowModHighCrit
Combined AQI
Urban Air Pollution Dispersal Model v1.1
Welcome to the ENACT Urban Air Pollution Dispersal tool. No data is loaded automatically.
1
Select a city or region
Use the Study Area dropdown in the Config tab, or enter your own bounding box coordinates.
2
Fetch live data
Click ⟳ Fetch or individual Fetch Now buttons to pull data from WAQI, Open‑Meteo (CAMS) and EEA AirBase. Adjust source weights in Config.
3
Run the dispersion model
Press ▶ Run Dispersion Model. The Gaussian plume model fetches real OSM buildings, roads and industrial sources, then renders a concentration heatmap. Results appear in the Results tab.
Map not showing? Go to the Layers tab and enter a free Mapbox access token (mapbox.com), then click Apply Token & Reload Map.