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Mongolian cyclone sparks widespread dust storms in northern China, stretching to Sichuan Basin_蜘蛛资讯网

the lowest visibility at 1.4 kilometers. At the Dengkou station in Inner Mongolia, PM10 levels peaked at 1,698 micrograms per cubic meter, with the lowest visibility at 2.4 kilometers, according to C

declining trend, meteorological monitoring data showed. Various types of dust events peaked in the 1950s at an average of 63 per year, hitting a high of 89 in 1954, before falling to 5.7 events per ye

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