Federico Fierli, atmospheric composition expert here at EUMETSAT explains and shows you how to create your own NO2 maps, using the data of the Satellite Instrument GOME-2 on board EUMETSAT's Metop polar orbiting Satellite. Useful links: Jupyter Notebook: https://gitlab.eumetsat.int/eumetlab/atmosphere/atmosphere CAMS: https://atmosphere.copernicus.eu/ EUMETSAT: https://www.eumetsat.int/website/home/Satellites/CurrentSatellites/Metop/MetopDesign/GOME2/index.html ACSAF: https://acsaf.org/