据中央气象台消息
北方将遭遇新一轮沙尘天气
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沙尘天气来袭
北京周日空气质量转差
26日8时至27日8时，新疆东部和南疆盆地、内蒙古中西部、甘肃中西部、青海北部和东部、宁夏、陕西西北部等地有扬沙或浮尘天气，其中，内蒙古西部、甘肃西部局地有沙尘暴。
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27日至28日，受蒙古气旋影响，内蒙古中西部和东南部、西北地区北部、华北、黄淮北部、东北地区西部等地有扬沙或浮尘天气，其中，内蒙古中西部的部分地区有沙尘暴。
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其中，北京地区周日将再现沙尘天气，空气质量转差。预计受影响的时间为凌晨至白天，以扬沙为主。