Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Atmospheric Composition Data Meteosat Metop Sentinel Tags GOME-2 IASI Europe Meteosat Second Generation (MSG) SEVIRI Sentinel-3 Atmosphere Metop-C Metop-A Metop-B EPS 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 Data from multiple satellites used to investigate the atmospheric impact of the extensive 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.