Common causes of air pollution

Q.  Which of the following are common causes of air pollution?

1) Diesel generators
2) Heavy construction activities
3) Temperature control in large buildings
- Published on 20 May 16

a. 1, 2
b. 1, 3
c. 2, 3
d. All of the above

ANSWER: All of the above
 
  • Common causes of air pollution include diesel-fuelled vehicles, heavy construction activities, temperature control in large buildings and use of coal or diesel generators.
  • PM 2.5 refers to atmospheric particulates with a diameter less than 2.5 micrometres. Exposure to fine particulates is linked to premature death from heart and lung disease. They trigger or worsen asthma, heart attack, bronchitis and other respiratory problems.
  • The WHO states that as urban air quality declines, the risk of stroke, heart disease, lung cancer, and chronic and acute respiratory diseases, including asthma increases.

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