All Related Apply Refine results Type Article Features Blog Post General Categories Sentinel Satellites Atmospheric composition Science Meteosat Metop Features - All Tags MSG OLCI SEVIRI Sentinel-3 Copernicus Features Date 2021 Date August SHOW ALL 2 results Features Unprecedented wildfires devastate Siberia and spread smoke over the Arctic Experts have recorded Siberian smoke reaching the geographic North Pole for the first time. Science Geometrical quality assessment tool Level 1 product monitoring/evolution studies: Geometrical quality assessment tool.