Entering the summer sky becomes clearer, there is no spring sand, no autumn dryness, and winter smog, many people will feel the air quality has improved. Especially after catching up with the rain, many people like to turn off the air purifier to open the window or ventilate in nature to enjoy the blue sky. But what is little known is that behind this kind of enjoyment, there is still a hidden danger. There are still shocking air pollution under the dome, and these pollutions are not elsewhere, just in the room where we are the longest in the day.
People spend at least 18 hours a day indoors. In other words, people spend nearly three-quarters of their lives indoors. Therefore, the quality of indoor air directly affects the quality of human life.
Today, everyone knows that winter should be protected from smog, but it ignores the summer TVOC. The so-called “TVOC” refers to indoor organic gaseous substances, also known as total volatile organic compounds, including benzenes, alkanes, aromatics, alkenes, halocarbons, esters, aldehydes, ketones, etc. Toxic and harmful gases in the air. There are many sources of pollution indoors, which are the same in both winter and summer. Especially in summer, the temperature is high, and these harmful substances are more serious in the room.
The release of indoor pollution such as formaldehyde is greatly affected by temperature, and the indoor and outdoor temperatures are high in summer, so it is easy to cause indoor pollutant concentration to exceed the standard. For every 1 °C rise in room temperature, formaldehyde volatilized from wooden furniture and flooring will increase the concentration of formaldehyde in the air by 0.15 to 0.37 times. Therefore, the volatilization of paint flavors such as benzene and ammonia is more serious in summer than in winter, and radioactive cesium is often contained in household tiles. This serious carcinogenic gas also spreads with increasing temperature.
In addition, there are more air conditioners in summer, indoor ventilation is not ventilated, and indoor pollutants remaining in the decoration gather. Many household air conditioners do not clean and cause secondary pollution. The bacteria and microorganisms are gradually deposited, and cold air with harmful substances is added. After the respiratory tract, not only will people feel dry mouth and mouth, there will be mild cold symptoms, and in severe cases, it will cause various respiratory diseases, which is what we often call “air conditioning disease.”
The World Health Organization has listed indoor air pollution as a top 10 threat to human health, including hypertension, hypercholesterolemia, and obesity. The main culprit of respiratory diseases and intestinal infections and even leukemia, which are predisposed to infants and young children, are also closely related to indoor air pollution.
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