| 요약2 |
We are threatened by the indoor air pollution gradually out of awareness. Recently, the trend of wellbeing makes us focus on the freshness of air as well as the healthy food. As people spend 80 to 90 percentage of their times on the average indoors, the indoor air pollution has a great influence on our health. Especially, the widely used subway is exposed by a lot of peaple and they worsen the healthy of users. The WHO saids that the number of death by a atmospheric pollution reached 6,000,000 per year at highest leve and one by the indoor air pollution 2,800,000 and the indoor pollutants are more dangerous than outdoor ones. It is very essential that the quality of the indoor air kept good efficiently. Therefore, this study show that subway promote the pleasure of the quality of the indoor air. |