Service is based on the chemical transport model LOTOS-EUROS and the emission knowledge developed at TNO.
Information on intercontinental transport and forest fire emissions are taken from the Copernicus Atmospheric Monitoring Service.
Modelled forecasts are uploaded daily before noon.
For questions or more detailed information on this service, please contact our colleagues of the TNO Air-quality team through the email address topas@tno.nl and describe your intended use of the information.