how to air pollution in city area

what is air pollution

air pollution is defend as  added of substance that harmful to human beang. that is dirty, carbon hydroxide, carbon monoxide, etc 

"air pollution harmful of global warming"

normally air pollute in city area, 🚓🚔🚔🛬
now a day most polluting country are 
1 Qatar 39.7 air pollution
2,Kuwait 24.4 air pollution
3, united state Arab emirates 21.8
4 Australia 18.6
air pollution are mainly in city are and industry area also
some courses of air pollution 
1. exes use of vehicles.
2, industries release carbon dioxide, carbon monoxide.
3.fire in jungle.
4.most uses of refrigerate, automatic cooler system,
now a day ozone layer most destroy easily because pollution are increasing day to day.
most vehicle;s and industry are inc rise now this modern day.
some effect of air pollution.
1 lung;s cancer,
2, skin disease etc.