Some cities in northern China are severely polluted by sand and dust

　　China News Service, Beijing, March 28 (Reporter Ruan Yulin) On the 28th, large-scale sand and dust pollution continued in northern China. Affected by sand and dust weather, the air quality in Tianjin, Shijiazhuang, Tangshan, Changchun and other places experienced severe and above pollution. .

　　Monitoring from the China Environmental Monitoring Station shows that at 8:00 on March 28, the air quality in Tianjin, Shijiazhuang, Datong, Shuozhou, Baotou, Ordos, Changchun and other places was severely polluted. The main pollutant was respirable particulate matter (PM10). Among them, Tangshan The air quality index of many cities such as , Qinhuangdao, Cangzhou, Daqing, and Suihua reached or exceeded 500, which was an explosion.

　　According to the forecast of the China Environmental Monitoring Center, due to the sand and dust weather process from the 28th to the 29th, moderate or above pollution may occur in Northeast China, North China, and the central and northern parts of East China. On the 28th, affected by the sand and dust weather process, northwest and northern China were dominated by good to light pollution, and moderate pollution may occur locally; parts of central and northern eastern China, northern Shaanxi, eastern and western Inner Mongolia, central and western Jilin, and Heilongjiang Moderate and above pollution may occur in central and western parts of Liaoning.

　　In terms of regions, on the 28th, due to the impact of upstream sand and dust transmission, the Beijing-Tianjin-Hebei and surrounding areas were mainly good to lightly polluted, and some areas may have moderate pollution; most of the northwest region had high ground wind speeds and continued to be affected by sand and dust. Weather effects. Moderate to severe pollution may occur in northern Shaanxi and western Inner Mongolia.

　　The forecast shows that on the 28th, due to the northwest wind at the rear of the Mongolian cyclone, sand and dust weather processes will occur in the Northeast. It is expected that the southern and eastern parts of Inner Mongolia, central and western Jilin, most of Heilongjiang, and central and western Liaoning will experience mild to moderate pollution. Mainly, Inner Mongolia's Tongliao, Liaoning's Fuxin and Chaoyang may reach severe or above pollution, with the primary pollutant being particulate matter. (over)