Skip to main content
Finnish Meteorological Institute

Air quality models

Dispersion, transformation and deposition of the air pollutants can be described by the mathematical, physical, and chemical models. These models are called as atmospheric dispersion models or air quality models.

Atmospheric dispersion models at the Finnish Meteorological Institute

Urban scale:

  • Urban dispersion modelling system, UDM-FMI

  • Dispersion models of vehicular pollution

    • the open road line source model, CAR-FMI

    • the street canyon model developed by the Aarhus University, OSPM

  • Dispersion model for odorous compounds, ODO-FMI

  • Dispersion from strongly buoyant sources, BUOYANT

  • Expert System for Consequence Analysis and Preparing for Emergencies, ESCAPE

Regional and large-scale:

  • High resolution limited area model, HILATAR

  • Air quality and emergency modelling system, SILAM