Indoor air pollution is a term used to characterize the pollution of the air inside our homes, office workplaces and other living spaces. The extent of air pollution outside in urban cities and industrial areas is obvious to all of us. But most of us are not aware of the dire condition of the air that we breathe inside our homes. In fact, the air inside is supposed to be more harmful to our health than the air outside.

Air pollution is a pressing concern among the different environmental issues that are prevalent in the world. It is the reason behind hundreds of thousands premature deaths in several countries.

Air pollution has now become a commonplace word in our lives. It is everywhere and people all over the world are experiencing adverse effects on their health due to the deteriorating quality of air. The damaging consequences of polluted air are evident in every city around the world. Thick clouds of smog can be seen hanging in the horizon of urban cities which are being polluted by several indoor and outdoor sources.

Air pollution is the introduction of harmful and unwanted substances like auto emissions, dust and gases, suspended particles, chemicals etc. into the air around us.

There are various factors causing air pollution; natural and anthropogenic, which contribute to the introduction of particulates and gases into the atmosphere.