Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Sentinel Atmospheric composition Data Meteosat Metop Tags IASI GOME-2 MSG SEVIRI Sentinel-3 Atmosphere Metop-C Metop-A Metop-B Metop Europe Asia North America, Central America & Caribbean Date 2020 Date January August SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 15 August-22 September 2020 Impact of California 2020 fires on atmospheric composition Using satellite data to investigate the atmospheric impact of the 2020 California fires. Case study Jan, Feb, March 2007-2020 Pollution levels drop during COVID-19 lockdown The COVID-19 lockdown in early 2020 had a visible effect on pollution.