Excessive concentration of foreign particles or substances into the air which adversely affects the atmosphere is known as air pollution. There are 3 types of air pollutants.
Types of Air Pollutants
- Natural pollutants such as pollen grains and bacteria.
- Suspended particles in air (aerosols) such as fog, fumes, haze, dust and mist.
- Various gases such as carbon monoxide, sulphur dioxide and hydrogen sulphide are released in the atmosphere by various industries, vehicles and burning of fossil fuels.
Smog is formed as a result of air pollution. Smog is an air pollutant that is a mixture of fog, smoke, and dust particles. It is formed in areas that have a large concentration of industries. Heavy automobile traffic also results in the formation of smog.
Also, Read 6 Major Types of Pollution