CausesAndPreventionofHaze.PDF

5th International Conference on Education, Management, Information and Medicine (EMIM 2015) Causes And Prevention of Haze Zhao Zhang and Jing He North China Electric Power University, No.2, Beinong Road, Zhuxinzhuang, Changping District, B eijing 102206, China Email:530891104@ jij0716@ Keywords : Haze; Causes; Prevention; PM 2.5; Environmental Abstract: Historical data shows that over the past 50 years China fog and haze overall in the increasing trend, and the persistent haze increases significantly. From the spatial distribution, the number of haze days shows a increasing trend in east and a decreasing one in west. Among them, the fastest growing region is the Pearl River Delta and Yangtze River Delta. From this spring, mist weather gradual emerges in the eastern part of China. As time past by, the scope of mist , fog and haze gradually increased, especially in Beijing , Tianjin and other places, where the several days haze severely affects the quality of life of citizens. The composition of haze is very complex, and it has a very serious impact on humans and the environment. In this regard, I decided to study the cause and component of haze and search a way to prevent it, in order to establish a model to solve such problems . The composition of haze is very complex, including hundreds of atmospheric chemistry particulate matter. Such as mineral particles, sea salt, sulfate, nitrate, organic aerosol particles, fuel and car exhaust , etc, which have a very serious bad impact on human health and the environment. So, what are the causes of haze ? Whats the impact on the environment and human health? How to prevent? How the Government and relevant environmental authorities r