One of the Worst Sand and Dust Storms in a Decade Hits Asia, with Big Environmental and Economic Impacts and Harming Air Quality for Millions of People
. The skies above the Chinese capital Beijing and other populous cities were choked with thick dust, triggering concerns about widespread health impacts, including respiratory problems because of high levels of particulate matter (PM). A number of casualties were reported in Mongolia. Minimum visibility in many places decreased to less than 500 meters. WMO’s Sand and Dust Warning and Advisory System’s Regional Centre for Asia, operated by the China Meteorological Administration (CMA) in Beijing, accurately predicted the storm, which started on 14 March. A very strong Mongolian cyclone (ce...