Air purifier manufacturers tell you the truth! Air pollution

　　Air pollution, also known as air pollution, refers to certain substances that enter the atmosphere due to human activities or natural processes, exhibit sufficient concentration for sufficient time, and thus endanger the comfort, health and welfare of the human body or the environment. Phenomenon. That is, the air contains one or more pollutants, the amount, nature and time of its existence can harm the lives of humans, plants and animals, damage property, or interfere with a comfortable living environment, such as the presence of odors. In short, as long as the amount, nature, and time of a certain substance are sufficient to affect humans or other organisms and property, we can call it an air pollutant. In other words, the abnormal increase of certain substances in the air causes air pollution.

　　There are many types of air pollutants, and their forms may be solid particles, liquid droplets or gases, or a mixture of these forms. What are the types of air pollutants defined by current laws and regulations in my country?

　　Air pollutants

　　According to the definition of the Air Pollution Prevention and Control Law and related regulations, air pollutants can be divided into four major items.

　　Gaseous pollutants

　　Including sulfur oxides, carbon monoxide, nitrogen oxides, hydrocarbons, chlorine, hydrogen vapor, fluorides, chlorinated hydrocarbons, etc.

　　Including suspended particles, gold bureau soot, black smoke, acid mist, falling dust, etc.

　　Secondary pollutants

　　Refers to the pollution caused by the photochemical reaction of pollutants in the air, including photochemical fog, photochemical high oxides, etc.

　　Malodorous substance

　　Including chlorine, hydrogen sulfide, methyl sulfide, mercaptans, methyl amines, etc.

　　The more common air pollutants include suspended particulates, carbon monoxide, sulfur oxides, nitrogen oxides, and hydrocarbons, etc., mostly caused by human factors. In my country's laws and regulations, most of the air pollutants generated by human factors (such as chimney emissions, vehicle emissions, etc.) have "emission standards" to regulate their emissions.

　　Indoor pollution

　　Indoor Air Pollution Investigation Report

　　What are the common pollutants in indoor decoration? What are the potential hazards to people? How to take some prevention and control measures? Here are some detailed introductions.

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