Under normal circumstances, a person exhales 22 liters of carbon dioxide per hour. If there is no convective air indoors, it will gather indoors, causing indoor air pollution. This situation can refer to the air weight in the bedroom after getting up in the morning.
Window ventilation can not only increase the oxygen content in indoor air, but also increase the negative ion content. Open the window three times a day for 15 minutes each time, which can basically achieve this effect.
Let's see when is the best time to open the window.
65438+ 00: 00 am-3: 00 pm is the best time to open the window.
Before sunrise and after sunset are the moments when urban pollution gathers, so you should avoid this time when opening the window.
Now there is a famous saying in the square dance world: there is a certain scientific basis for fitness to follow the sun, and we should follow the sun when we open the window.
Do you want to be by the window at night? Of course, but careful people will say, aren't you going to follow the sun? Won't pollutants gather at night?
The trick is to open a big window during the day and a small slit at night.
Open a small crack in the window at night to prevent the wind from blowing on people. This not only ensures the indoor air quality, but also won't let the indoor heat lose too much, killing two birds with one stone.
As long as the gas stove is ignited, it is necessary to open the window for ventilation.
After natural gas is burned, more than 200 compounds will be produced. This kind of exhaust gas can't be completely discharged through the range hood, so it is necessary to open the window and strengthen air convection, so that the exhaust gas can be discharged in time and the harm to the body can be reduced.