The Beijing News Express (Reporter Zhang Lu) affected by strong cold air and sandstorms, at 14:00 on April 11, the PM concentration in Wuhai City, the inner Mongolia reached 2944 micrograms/cubic meters in 10 hours, and the air quality index of many national control stations of internal mongolia -level " Data from the China Environmental Monitoring Station show that at 14:00 at 11th, the air quality index of stations such as Bayannur City, Baotou City, Ordos City, Wuhai City, Alxa League, and Shizuishan City, Yinchuan City, Wuzhong City, Ningxia reached the highest value of 500. 1604 micrograms/cubic meters, and data in Shizuishan is 1305 micrograms/cubic meters. Meteorological Observatories in Alxa League and Wuhai City released黄色警告信号在4月11日。中央气象天文台的捕集表明，从11号到12日，强烈的冷空气将影响我的中部和东部，大多数地区的温度将降低6℃10℃10℃10。。其中，西北，中部和东部的东部地区的当地冷却范围，中国西部和北部，中国北部 - 北部 - 东部地区，江岛的东部地区以及其他地区可以达到12至16℃；前面提到的地区和东方水位伴随着5至7级，8至10级的阵风以及11至13的地方。中央气象天文台和南部甘苏，宁克西亚，宁克斯，shanxi，shanxi，shanxi，shanxi，shanxi，Centrem其中，在蒂莫格新疆，西蒙古，西甘努等的某些地方有沙尘暴，在内蒙古西部的某些地区有强烈的沙尘暴。中央气象天文台继续在4月11日6:00发布蓝色的沙尘暴警告。