China News Service, March 15th. According to the official Weibo of the Beijing Municipal Meteorological Administration on the 15th, affected by the Mongolian cyclone and cold winds, a large-scale sandstorm, flying sand and floating dust occurred in the midwestern part of Inner Mongolia to the northwestern part of Hebei last night. In the weather, the visibility is about 1 km, and the local area is less than 300 meters.

Affected by the transportation of sand and dust from the upstream, the PM10 concentration in this city increased significantly this morning, and the visibility dropped to below 1 km, resulting in a sandstorm.

In response to this gale and sandstorm, the Beijing Meteorological Observatory issued a blue warning signal for gale and a yellow warning signal for sandstorm.

  It is expected that there will still be northerly winds of magnitude 4 and 5 during the day and gusts of magnitude 7 and 8. The sandstorm will continue until this afternoon, and the evening will gradually weaken, and the wind will decrease at night, and visibility will improve.

Source: Screenshot of the official Weibo of Beijing Meteorological Bureau

  The Beijing Meteorological Bureau also issued precautionary recommendations:

  1. Elderly children and people suffering from respiratory allergic diseases, try not to go outdoors.

When you go out, please wear masks, gauze and other dust-proof products, and clean your face and nasal cavity when you return.

  2. Today, the north wind is strong and the sky is dry and the material is dry. Please pay attention to wind and fire prevention; strengthen outdoor structures and billboards, and pay attention to safety protection for outdoor high-altitude operations.