Top 50 most polluted cities of the world.|Faisalabad|Lahore

Global warming is the biggest threat to the world today. Most of the countries of the world are facing severe air pollution. China and india are most affected by air pollution.25 are indian cities in this list, 22 are chineses cities, 2 pakistani and one bangladeshi city.

Air pollution,Pollution,polluted countries,India,China,Pakistan,Bangladesh,Atmosphere,Environment,Environmental chemistry,top 50,top 100,Land pollution,Smog,Toxic gases,Ozone,Faisalabad,Lahore,