With the investigation of newly decorated rooms in Chongqing, we know the superscale of formaldehyde, ammonia, benzene, radon and TVOC are 83.8%, 34.7%, 42.7%, 16% and 28%.2.

• 经过对重庆市城区新装修室内空气污染调查后发现；在重庆市游离甲醛、苯、氨、氡和TVOC分别超标83.；8%25；34