An Overview of Different Sources of Air Pollution in Tehran (Transportation and Traffic - Urban Sources - Industrial Sources)

Today, the environment is one of the most important issues in human societies. Environmental pollutants include air pollution, soil pollution, water pollution and noise pollution. Among them, the issue of air pollution is more important for various reasons. In the metropolis of Tehran, air pollution has become a serious problem for urban management for about 2 decades, but unfortunately, no basic solution has been provided for it. According to the author's experience and field of activity, in this research, the basis of this problem has been discussed. Of course, this data is collected only from available sources. Based on real data, which requires more time and money, it may be possible to provide basic solutions to solve the problem of air pollution in this metropolis. In this study, while presenting data and statistics of different sources, in order to compare these data and express their weaknesses and strengths, the potential of contamination of different sources and neglected in the evaluations of previous authorities should be pointed out.