Types of air pollution: air pollution type, type of air pollution, pollution can be divided into two major natural and man-made categories. Natural sources of pollution is due to natural causes (such as volcanic eruptions, forest fires, etc.) and the formation of man-made pollution is due to people engaged in the formation of production and living activities. In the man-made pollution sources, can be divided into fixed (such as chimneys, industrial exhaust) and mobile (such as cars, trains, planes, ships) two. Common and often due to human sources of pollution exist, so much more than the natural sources of pollution to people close attention. The main air pollution sources are:
t Industrial Enterprises Industrial enterprises are the main source of air pollution, the atmosphere is one of the key health protection work. With the rapid industrial development, air pollution and the increasing number of species. Because the nature of industrial enterprises, scale, process, various types of raw materials and products, its different degrees of air pollution.