There is no denying that India is top on the list of polluted countries in the world. In-Fact 13 of the Top 20 polluted cities in the world come from India according to a report published by World Health Organization( WHO) in 2014.

Many claim that the reason for the pollution is the large population that is only second to China. To measure the levels of pollution PM10 and PM25 counts are used, PM10 is suspended particulate matter 10 micrometers or less in diameter; PM2.5 is suspended particulate matter 2.5 microns or less in diameter. Safe levels numbers kept by health organizations are PM10: Safe 40 µg/m3 over a period of a year and for PM2.5: Safe 25 µg/m3 over a period of a [...]