FAQs about Air Pollution

7. What is photochemical smog?

This phenomenon was observed for the first time in the city of Los Angeles, United States, in 1943. Its origin is the combination of nitrogen oxides and volatile organic compounds from the exhaust of vehicles. The mixture, reacting under solar radiation, produces ozone and peroxyacyl nitrate, darkening the atmosphere. Photochemical smog is also characterized by its reddish-brown color. Its components are harmful to living beings and various materials. It can cause respiratory diseases such as rhinitis, bronchitis, asthma, pneumonia and other pathologies.

FAQs about Air Pollution

1. What is the difference between air and atmosphere?

2. What are the causes of air pollution?

3. What is the reason for acid rain?

4. What are the main air pollutants?

5. What are the diseases caused by air pollution?

6. What is smog?

7. What is photochemical smog?

8. How did the «Great Fog of 1952» happen in London?

9. What are the most dangerous air pollutants?

10. What is the solution to air pollution?

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