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 Satellites Weather Data Meteosat Metop Sentinel Tags Sentinel-3 Metop-A EPS Asia GOME-2 Meteosat Second Generation (MSG) OLCI SEVIRI Africa IASI Metop-B Europe Date 2020 2018 SHOW ALL Sort by Start Date Order Ascending Descending 2 results 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. Case study 6-15 May 2018 Transport of African-Arabian dust to Pakistan & north India In May 2018 dust clouds from Africa and the Arabian peninsula travelled as far as India.