Air pollution has become a very massive problem these days particularly if you are living in metros and megacities. The increasing amount of vehicular and industrial pollution has made it difficult to breathe normally in big cities. There is an increasing number of respiratory diseases affecting the children and the senior citizens due to this menace of air pollution. Luckily I live on the outskirts of a mega city with a lot of trees around my home, that's why I have not felt the need of installing an air purifier at my home but many of my friends in the city use air purifiers at there homes. What do you guys do to tackle the problem of air pollution? How many have felt the need to use an air purifier at there home or office?