Berê, bi hewaya hewaya domdar a li gelek deverên welêt, "pm2.5" bûye peyva herî germ di zanistiya populer de. The main reason for the “explosion” of the PM2.5 value this time is the large emissions of sulfur dioxide, nitrogen oxides and dust caused by coal burning. Wekî ku yek ji çavkaniyên heyî yên pm2.5 pm2.5, emeliyetên gazê yên berfê yên kemilên komirê pir girîng in. Among them, sulfur dioxide accounts for 44%, nitrogen oxides account for 30%, and industrial dust and smoke dust together account for 26%. Dermankirina PM2.5 bi gelemperî desfulurasyona pîşesaziyê û înkarkirinê ye. On the one hand, the gas itself will pollute the atmosphere, and on the other hand, the aerosol formed by nitrogen oxides is an important source of PM2.5.

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