Dr.Lakhimi Gogoi

Air pollution is the activity of harmful or excessive quantities of substances including gases, particles, and biological molecules are introduced into Earth's atmosphere.  It may cause different diseases, allergies and even death to humans and it may harm the other living organisms such as animals and food crops and may damage the natural or built environment.  Air pollution is the resultant of the admixture of various harmful gases in the atmosphere or finely dispersed liquid aerosols at rates that exceed the natural capacity of the environment to dissipate and dilute or absorb them. These substances may reach concentrations in the air that cause undesirable health, economic, or aesthetic effects.  It is a mixture of natural and man-made substances in the air we breathe.  It is typically separated into two categories: outdoor air pollution and indoor air pollution. Many aspects of human beings are influenced by the environment, and many diseases can be caused, sustained