The moment we step out of our house and take a walk along the road, we can see how the air gets polluted. People find it difficult to get fresh air, as the environment is constantly getting polluted with the smoke from the exhaust of a bus, car or a scooter. Fly ash generated by thermal power plants, smoke coming from factory chimneys’, and dust coming from the over speed of vehicles also contribute to air pollution.
Why our surroundings are constantly getting polluted? Four major reasons for air pollution are rapid development in the cities, increasing traffic, congested roads, speedy economic development and industrialization. Nowadays people are leaning more towards a luxurious life. To maintain their status in the society most of them owns more than two cars. When all these vehicles enter into roads, it will burn more fuel and this in turn will pollute the atmosphere.
Generally any substance that people introduce into the atmosphere that has damaging effects on living things and the environment is considered air pollution. Still, to get a better picture we can divide air pollution in to two main types. They are outdoor air pollution and indoor air pollution.
Smog hanging over cities is one of the familiar and obvious forms of outdoor air pollution. Smog is released from sources like automobile exhaust, power plants, factories and many consumer products. This includes paint, hairspray and chemical solvents. In cities, major part of the smog is coming from cars, buses, trucks and two wheelers. A study on pollution states that more than half of the U.S residents are living in areas where the level of smog is seen is higher quantities. As per the investigation, the smog level has exceeded the safety standards set by the U.S. Environmental Protection Agency.
Another major factor that increases air pollution is acid rain. When pollutants like sulfuric acid get mixed with the moisture in the air, it will become acidified. This acidified rain water poisons the soil,…