Pakistan's second largest city and Punjab's capital Lahore was ranked in ten of the most polluted cities of the world during the 2009-2013/2014 time period but since 2015 the pollution in Lahore has decreased. In 2016 Lahore was ranked 58th in the list of most polluted cities in the world so the pollution has decreased a lot. But even then the rate of pollution is gradually increasing in the city of Lahore. The increasing number of vehicles such as rickshaws,commercialization and the establishment of various industrial units has contributed towards the alarming rate of pollution in the eastern city of Lahore. Add caption The open burning of coal releases harmful gases in the atmosphere such as Sulfur dioxide (SO2) and Nitrogen Oxide (NO2). SO2 forms small acidic particles which can enter the lungs and can be absorbed by the bloodstream easily, SO2 also causes acid rain which is a big threat to the marine life as it