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Annual index

The map below was made using the ATMO-Street model and is based on the annual mean concentrations of NO2, PM10 and PM2.5. The calculated indices are representative for an area of a few dozen square meter. Locally, the indices may be higher or lower. Furthermore, the uncertainty of the modeled concentrations should be taken into account.
For more information about the ATMO-Street model, including the restrictions, click here.

Warning: the source data (i.a. emissions) and the model itself are adapted and improved every year. Only maps made with the same versions can be compared.
The following versions of the model are used:

  • 2017-2019: ATMO-Street v6.2
  • 2020: ATMO-Street v6.3 (mobility assumptions were made wrt Covid-measures)
  • 2021: ATMO-Street v6.4; new mobility input in Flanders and Brussels (FLOMOVIA v1.0)

The infrastructure and computer services used for the calculation of the model was made available by the VSC (Vlaams Supercomputer Centrum) funded by the FWO and the Flemish Government - EWI Department.