What are the hazards of air pollution to human body

Although the domestic air has been effectively controlled, overall, the domestic air pollution is still quite serious. So due to the serious air pollution, some people want to know more specifically, what are the harms of air pollution to the human body? In order for you to have a comprehensive understanding, let's take a look at the introduction of the following content together. I hope you can have a comprehensive understanding of these contents.

In the 1990s. Air pollution from burning coal could shorten life expectancy by more than five years in some parts of China. The life expectancy of residents in northern and southern China is similar, but the average life expectancy of residents in the area just north of the Huai River is five years shorter than that of residents in the area just south of the Huai River. The difference was driven by deaths from heart and respiratory diseases, for which air pollution is a contributing factor.

People need to breathe air to stay alive. An adult breathes about 20,000 times a day, inhaling 15 to 20 cubic meters of air. Therefore, polluted air has a direct impact on human health. Air pollutants cause harm to the human body in many ways, the main manifestations being respiratory diseases and physiological dysfunction, as well as irritation of mucous membranes such as the eyes and nose.

People call the smoke from the coal smog disaster "killer smoke." According to analysis, this was because there was no wind and fog in London during those days, and the exhaust smoke from factory chimneys and residents' heating homes lingered in the city of London for a long time. The highest smoke concentration reached 4.46 mg/m3, and the daily average concentration of sulfur dioxide reached 3.83 ml/m3. Sulfur dioxide undergoes a certain chemical reaction to generate sulfuric acid liquid foam that attaches to the smoke or condenses on mist droplets, enters the organs through breathing, makes people sick or accelerates the death of patients with chronic diseases. This is what is called photochemical pollution.

From the above example, we can see that when the concentration of pollutants in the atmosphere is very high, it can cause acute pollution poisoning, or worsen the symptoms, and even claim the lives of thousands of people within a few days. In fact, even if the concentration of pollutants in the atmosphere is not high, breathing this polluted air for years can cause diseases such as chronic bronchitis, bronchial asthma, emphysema and lung cancer.

What are the hazards of air pollution to the human body? I believe that many people have understood the hazards of air pollution to the human body through the above introduction. If a person stays in places with relatively poor environment for a long time, it will cause respiratory infections and the probability of cancer will greatly increase. Therefore, for many people, in order to live in a better environment, they must pay attention to environmental management and protection.