Research of the Indoor Air Quality of New Decoration Residence in Tianjin

With the level of life raised in China, the indoor air quality has aroused people´s concern. In order to learn the actuality of air pollution in new decoration residence and improve indoor air quality and provide the foundation that constructs countermeasure of controlling indoor air pollution, the field measurements about indoor air pollution of new decoration residence are made in Tianjin. Basing on type of residences, hours of decoration, distinct development business and decoration corporations selected, the status of indoor air contaminants are analyzed, and the major factors effecting on indoor tiny contaminants concentration are researched. Indoor air contaminants mainly come from the residential decoration and building material and various furnishings and the major contaminants is formaldehyde. Temperature and humidity have great effect on tiny contaminants concentration and the sorts of contaminant, and influencing degree on human of different tiny contaminants are different. The emitting velocity of contaminants in the same material is alterative under the condition of temperature and humidity being changed. The time of residential decoration is also one important element of contaminants concentration. There are many factors influencing the indoor air quality of new decoration residence. To improve the indoor air quality, we can open the windows to make the fresh outdoor air into room. But if the outdoor air is not clean enough, we should place air purification equipment in room.