LAUSR

Abstract To reduce energy consumption, green office buildings have been proposed and promoted as a popular trend. In office buildings, perfect indoor air quality can improve work efficiency, while protecting the health of office staff. However, few investigations of the indoor air quality of green office buildings have been reported. In this study, green buildings with one-to three-star ratings, as well as ordinary buildings, were selected to conduct a field survey using air quality measurements. The results indicated that the three types of star buildings had superior air quality, as the carbon dioxide and particulate matter concentrations in green buildings were lower than those in ordinary buildings. However, the total volatile organic compounds concentration in green buildings was higher than that in ordinary buildings. The air quality levels of different types of buildings were evaluated based on the grey method. Consequently, the indoor air quality of the three-star buildings was reported to be excellent.