On January 29th, according to the latest news from the Joint Center for Air Pollution Prevention and Control, since the daytime of New Year’s Eve on January 28th, the diffusion conditions in most parts of China have begun to deteriorate, and there is a risk of continued pollution caused by fireworks and firecrackers. It is expected to form a medium to severe pollution process for about three days. Starting from the third day of January 31st, due to the gradual influence of cold air from north to south, the air quality has significantly improved.
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