Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Satellites Atmospheric Composition Weather Meteosat Tags Europe Asia Meteosat Second Generation (MSG) SEVIRI Africa SNPP VIIRS Date 2020 Date March SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 23 March 2020 04:00 UTC–27 March 18:00 UTC Aralkum Desert dust pollutes air in south-east Europe High values of particulate matter (PM10) were recorded in the air in many places across South-East Europe on 27 March 2020.