MSGID: 1:317/3 641c93b5   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
   March 23, 2023 - Dust Storm in Northern China   
      
      Dust   
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      A strong spring storm brought heavy snows, blizzard conditions, and   
      winds gusting to 60 mph (96.6 km/h) across Mongolia on March 21, 2023.   
      As the winds roared over the Gobi Desert, they picked up massive   
      amounts of dust, creating a massive dust storm both in Mongolia and, by   
      March 22, in northeastern China.   
      
      The Moderate Resolution Imaging Spectroradiometer (MODIS) on board   
      NASA’s Terra satellite acquired a true-color image of the dust storm on   
      March 22. The immense blanket of dust obscures an area that measures   
      about 190,000 square miles (492 square kilometers) completely from   
      view. That’s larger than the country of Sweden. The dust is entrained   
      in the clouds in some areas, while a thinner veil of dust reaches   
      Russia and the Korean Peninsula.   
      
      According to several media reports, the air quality in Beijing, China   
      tumbled to unhealthy levels as the sandstorm rolled in. Concentrations   
      of PM10 aerosols were said to have reached 1,667 micrograms per cubic   
      meter early in the morning, or about 37 times the daily average   
      guideline set by the World Health Organization. PM10 refers to   
      aerosolized particles that measure less than 10 micrometers or less, a   
      size that permits them to be inhaled into the lungs, where they can   
      cause respiratory damage.   
      
      Image Facts   
      Satellite:  Terra   
      Date Acquired: 3/22/2023   
      Resolutions:  1km (653.7 KB),  500m (2 MB),   
      Bands Used: 1,4,3   
      Image Credit: MODIS Land Rapid Response Team, NASA GSFC   
      
      
      
   https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2023-03-23   
       
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