The hateful haze comes and goes, comes and goes, goes and goes again...
Legend has it that the weekend smoke will come back again!
Many people think that indoor air in haze is much better than outdoor air. As long as the doors and windows are closed, nothing will happen.
But is that true?
中国建筑科学研究院建筑环境与节能研究所的专家近年发表了有关雾天室内外污染相互关系的研究。 研究指出，对于没有任何净化措施的室内环境，室内外PM2.5浓度具有显着的相关性。 当室外PM2.5浓度超过300μg/ m3时，建筑室内的PM2.5浓度也超过210μg/ m3。 也就是说，在严重污染的情况下，没有任何空气净化装置的室内可以达到室外污染的约70％。
Experts from the Institute of Building Environment and Energy Conservation of the Chinese Academy of Architectural Sciences have published studies on the relationship between indoor and outdoor pollution in foggy days in recent years. The study points out that PM2.5 concentration is significantly correlated with indoor and outdoor environment without any purification measures. When the outdoor PM2.5 concentration exceeds 300 ug/m3, the indoor PM2.5 concentration also exceeds 210 ug/m3. That is to say, in the case of serious pollution, the indoor air pollution without any air purification device can reach about 70% of the outdoor pollution.
Don't you dare take measures to close doors and windows and lie at home? Take action to improve indoor air quality!
Here, Kang gave three friends a trick:
First of all, to prevent polluted air from entering: fog and weather should keep doors and windows closed to reduce the permeability of air pollutants from the outside into the room, and reduce indoor PM2.5 concentration.
2. Indoor air purification: Select professional Greenwick air purifier to effectively reduce indoor dust and PM2.5 concentration.
Third, smoke disappears and windows are ventilated: when smoke in outdoor air disappears, windows should be opened as far as possible so that fine particles in indoor air can disperse as soon as possible.