Study of Pollutants in Air

Pollution is the addition of any substances into the natural environment that makes it harmful to humans, animals and plants. Substances that cause pollution to the environment are called pollutants. Pollutants can be either foreign substances/energies or naturally occurring contaminants. Air pollution is the contamination of the air, by the introduction of particulates, smoke or harmful gases into the atmosphere. Some air pollutants are poisonous, which makes it difficult for plants, animals and humans to survive. The atmosphere in highly populated areas are very rich in dust, smoke and suspended particulate matter, all due to vehicular exhausts and industrial emission. Air pollution causes major respiratory and heart problems in our bodies.

 

This video explains how to study the presence of suspended particulate matter in the air at different sites.

 

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