Where Does Tehran's Air Pollution Come From?

As air pollution returns to Tehran during the cold days of the year, attention has once again turned to emission sources. Although vehicles still contribute significantly to the capital's air pollution, Tehran's emissions inventory shows that agriculture, industry and power plants also play a considerable role in releasing fine particulate matter, the main air pollutant in Tehran during the cold season.

With the return of air pollution to Tehran in the cold days of the year, attention has once again been drawn to the sources of pollutant emissions; Sources that although cars and vehicles still have a significant contribution to the air pollution of the capital city, Tehran's emission list shows that the contribution of other sources such as agriculture, industries and power plants is also significant in the emission of suspended particles as the main pollutant of Tehran's air on cold days of the year.