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Environmental Pollution, Urban Air Quality

Environmental Pollution Urban Air Quality PANAIR


fluidyn-PANAIR is a module of fluidyn-PANACHE specially dedicated to environmental impact of urban pollution on air quality .




  • 3D modelling of urban air quality,
  • Evaluation of impact of all types of emissions in urban environment (road infrastructures, public transport (exclusive (bus, taxi) lanes, tramway…), industrial sites, urban heating, incineration factories, waster water treatment units...)
  • Dispersion of gas (heavy / light / hot / neutral…), droplets and particles (dust, heavy metals….) with the help of Eulerian / Lagrangian / Puff models




  • Near and far field modelling with the help of embedded structured / unstructured mesh,
  • Accounts for topography, all types of obstacles and ground occupation parameters for dispersion of gaseous pollutants and particles, 3D wind fields, temperature and turbulence,
  • Various types of sources (roads, tunnels, stacks, sedimentation tanks…),
  • Integration of chemical reaction models,
  • Heat inversion layer,
  • Takes into account weak wind conditions annual / monthly / weekly / daily averaging, variable weather conditions …


Air urban modeling by PANAIR


Flier : fluidyn PANAIR