Causes of air pollution : What makes the air polluted? There are few significant things that polluting the air- Motor vehicles: The smoky exhaust from engines are the significant pollutant of the air.these engines emmit a lot of carbon monoxide(CO) and nitrogen dioxide (NO2) gas that are the major pollutants of the air. Industrial chimneys: With the industrial revolu... https://southhousetale.com/how-air-pollution-affects-home-environment/