Previously, with the continuous foggy weather in many parts of the country, “PM2.5” has become the hottest word in popular science. 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. Dịka otu n'ime isi mmalite nke PM2.5, mmetọ gas na-agwụ ike nke ndị na-egwu ọkụ na-apụtachaghị ìhè. N'etiti ha, sulfur dioxide akaụntụ maka 44%, nitrogen oxides akaụntụ maka 30%, na uzuzu na-a andụ anwụrụ ọkụ na-a anwụrụ ọkụ n'efu maka 26%. Ọgwụ nke PM2.5 bụ tumadi mmepụta mmepụta ihe na dentitrification. 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.

Ka anyị mee ike anyị niile iweghachi igwe na-acha anụnụ anụnụ na obodo!