China News Service, October 31. According to the official Weibo news of the Beijing Ecological Environment Monitoring Center, according to the Beijing Meteorological Observatory's forecast, Beijing will be affected by floating dust on October 31, and the impact of dust will gradually weaken in the evening.
Image source: Official Weibo of Beijing Ecological Environment Monitoring Center
This sand dust originated in the southwest border of China and Mongolia. At present, the dust has reached Zhangjiakou City, Hebei Province. It will obviously affect Beijing around noon on the 31st, and will have a greater impact on the concentration of PM10 and PM2.5 in our city, including the short-term concentration of PM10. It can reach 5-6 severe-severe pollution levels, and PM2.5 reaches 3-4 mild-medium pollution levels; it is expected that the impact of sand and dust will gradually weaken on the evening of the 31st, and air quality will return to level 2 good.