Investigation on indoor environment for emporiums in Guangzhou

Investigates the indoor environment based on questionnaires and pollution detection. The results show that the indoor air is unpolluted and the main contamination is particulates with diameter of 10 μm or less, total volatile organic compounds and ozone; the pollution mostly comes from personnel, merchandise and outdoor air; the unacceptability ratio of the indoor air quality is 22.64%, so the indoor air is unacceptable; indoor persons have caught sick building syndrome (SBS); long time and low concentration pollution is an important characteristic of indoor pollution; and the satisfied degree of indoor persons on the temperature, relative humidify, illumination and vision is very high.