Air pollution consists of gases, liquids, or solids present in the atmosphere in high present enough levels to harm humans, other organisms, or materials.

Air pollutants may be either emitted into the atmosphere or formed within atmosphere itself :

The main sources of air pollution are :

(a) automobiles :

Motor vehicles are a major source of air pollution throughout the urban areas .

They emit hydrocarbons, carbon monoxide, lead, nitrogen oxides and particulate matter .

2 comments

Comments (2)

indu marath

Dec 05

How does air pollution impact the environment and ecosystems?
What are the major air pollution control measures?
How do government regulations help in reducing air pollution?
What is the role of technology in monitoring and controlling air pollution?
How does indoor air pollution differ from outdoor air pollution?
What are the effects of air pollution on climate change?

ridha issak

Dec 05

is oxygen is affected by are air pollution
How does air pollution impact human health?
dose air pollution affects photosynthesis

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