China News Service, Beijing, May 6 (Chen Hang) The official Weibo of the Beijing Meteorological Bureau reported on the 6th that the current gale and dust weather has reached the urban area. It is expected that there will be about five north winds from noon to evening, and gusts of eight or nine. Accompanied by sand and dust.

  According to the Meteorological Department, recently, the cold air in the middle and high latitudes of Eurasia has been active and continues to move south. Affected by it, there will be windy weather in Beijing on the 6th to 8th, and the daytime on the 6th is the most windy period of the process, accompanied by sand and dust.

At present, Beijing is in the middle of early warning signals of strong wind yellow and sand dust blue.

  At 11 o'clock on the 6th, the northerly winds in Zhangjiakou, Hebei Province increased significantly, with gusts of about level 8. The front of the strong wind area has reached the western part of Beijing, and local gusts in the mountains of Yanqing and Mentougou reached level 7 or above.

It is estimated that there will be about magnitude 5 northerly winds from noon to evening in Beijing on the 6th, with gusts up to magnitudes 8 and 9, and the wind will weaken slightly after night; from the 6th to the 7th, there will be northerly winds of magnitude 4 and 5 and gusts of magnitude 7 during the day. about.

From the evening of the 7th to the first half of the night, it turned to southerly winds, and the wind decreased to levels 3 and 4; from midnight on the 7th to the 8th, there were still about level 4 northerly winds and gusts of 7 and 8; the wind at night on the 8th was significantly weakened. The windy weather process is over.

  According to data from the Beijing Ecological Environment Monitoring Center, the current PM10 concentration in some areas of Zhangjiakou has exceeded 400 μg/m3, and the PM10 concentration in Kangbao County is 1216 μg/m3.

From 10 to 11, the visibility of Beijing Yanqing Station dropped from 20 kilometers to 9.4 kilometers.

It is expected that there will be sand and dust weather in Beijing from around noon to evening on the 6th, with a minimum visibility of about 5 kilometers; the sand and dust will gradually weaken around 20 o'clock, and the impact will tend to end.

  The Meteorological Department reminded that there will be dusty weather from noon to evening on the 6th. The elderly, children and people with respiratory allergic diseases should not go outdoors as much as possible. Wear masks, gauze and other dust-proof supplies when going out. nasal cavity.

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