what is the composition of air? we keep hearing the increasing level of oxides of nitrogen and sulphur and also of carbon dioxide causing air pollution. what are the causes of it.( answer in 100 words )
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Do you know Delhi is one of the most polluted cities in the world? The presence of toxic gasses and various air pollutants usually cross the permissible limit. Central Pollution Control Board suggests that the air quality of Delhi is in extremely poor condition and it is breaching all the permissible air quality standards. Oxides of sulphur and nitrogen, oxides of carbon, hydrocarbons, hydrogen sulphide, ozone and other oxidants gaseous along with particulate pollutants like fumes, dust, smoke, etc. are the air pollutants that are responsible for severe air pollution in Delhi as well as many other states in India.
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