China News Service, May 6th. According to the official Weibo news of the Ministry of Ecology and Environment, in the next five days (May 7-11), most parts of Northwest my country and North China will be affected by the sand and dust process, and there will be short-term severe Pollution or above; from the 8th, as the temperature rises, parts of North China, East China, South China, and Southwest China may experience mild O3 or above pollution.

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Image source: Official Weibo of the Ministry of Ecology and Environment