From the aspects of statistical data,diffusibility,odor and toxicity of pollutants,it discussed the main odor pollutants such as hydrogen sulfide,sulfur dioxide,carbon bisulfide,thior and ammonia etc.

• 从统计数据、气体扩散性、臭味与毒性等方面均可证实,五大行业排放到大气中的主要臭味污染气体,应是硫化氢、二氧化硫和氨等。