It is really too cold in winter. The doors and windows in the home are closed, and I am afraid that the cold wind will come in. As a result, the wind was blocked outside and the house was warm, but the air in the room also deteriorated. “Ask the canal so clear that it is the source of active water.†Closed doors and windows are tight, and the temperature in the room is relatively high. The air does not circulate and the pollution increases. How can we deal with indoor air pollution in winter?
First, the source of winter air pollution in the bedroom
1. Increased air pollutants during the heating season
The temperature in winter is low, but the indoor temperature is not necessarily low. In order to keep warm, people often use various equipment to create a warm indoor environment. Some people have air conditioning in the summer and heating in the winter, and the indoor temperature in winter is higher than in summer. In the case of substances such as formaldehyde and TVOC at 20 degrees, the volatilization rate will increase dramatically. In addition, in some underdeveloped areas, people may also adopt backward heating methods such as charcoal or briquettes, which are more likely to result in higher indoor carbon monoxide, carbon dioxide and respirable particulates than in other seasons.
2, ventilation to reduce pollution does not spread
In order to maintain the indoor temperature, many people's windows in winter are often less than a few times. This causes the indoor and outdoor air to be unable to convective, and the pollutants in the indoor air cannot be diffused and discharged.
Although low temperatures do reduce pollution releases, there are many other factors that cause air pollution in the winter. Indoor air conditions in winter are not optimistic. On the other hand, people's time in outdoor activities is greatly reduced. Due to less exercise and other reasons, the body's resistance is lower in winter. Therefore, indoor air pollution in winter causes greater harm to the human body. .
Second, the most cost-effective opening windows to reduce pollution
In general, outdoor air quality tends to be better than indoor air quality. If you open the window and change air, dirty air can drift away, making it difficult for viruses and germs to breed and reproduce. Therefore, unless it is weather with poor outdoor air quality, at other times, window ventilation is often a relatively effective way to reduce the indoor air pollution index. There are some points to pay attention to ventilation.
1, winter ventilation tips
Choose the best time to open the window
According to tests, there are two pollution peaks and two relatively clean valleys in day and night in the urban atmosphere. The two pollution peaks are generally around the sunrise and early evening. The two relatively clean periods are around 10am and 3pm. When they are relatively clean, they can open windows to keep the indoor air fresh.
Window opening times and time control
The number of window openings is not as good as possible, because in winter heating, frequent windows will waste energy and affect the comfort of the indoor temperature. Therefore, it is necessary to know the number of window openings and the time of each window opening. Usually the room is small, the outdoor wind and the north and south of the house transparent, the window opening time can be shorter; the room is large, and there is no convection ventilation structure, no outdoor wind or small temperature difference between the indoor and outdoor windows can be Longer.
Flexible windowing time
If you experience haze and windy weather, try not to open the window for ventilation. In addition, if the indoor windows directly face the busy road, there are more dust and pollution, you need to change some of the window time, should be determined based on changes in the number of vehicles on the road to determine, suffered a little earlier, some delay at night after Try to open the window and change the air when there are few cars.
Window can be fitted with a filter
For cities with serious air pollution such as Beijing and Shanghai, the outdoor air quality itself is poor. If you want to open windows for ventilation, it is best to put a filter on the windows first. It is to screen the window with a special filter, determine the pore size of the filter according to the outdoor environment, blocking most of the outdoor pollutants.
Improve air
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