FAQs about Air Pollution

6. What is smog?

There are two types of smog: the industrial and the photochemical. Smog is a pollution caused by the combination of air with pollutants during a prolonged period of high pressures. This phenomenon causes the immobilization of the air and consequently its permanence in the troposphere and sometimes in the stratosphere.

Smog has harmful consequences for health, such as respiratory problems and asthma. It can also cause lung cancer.

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Air pollution in big cities is also a topic
At first sight the concern about air pollution, smog or pollution in cities, has been relegated to the background by universal and more alarming issues, which monopolize more headlines, such as global warming, climate change…

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