Nevertheless, Tehran recorded a long air pollution episode this winter and even children were asked to stay at home.
This announcement comes the day after a serious atmospheric pollution episode in Beijing, that was caused in particular by increased use of coal power plants for heating purposes.
This announcement comes the day after a serious atmospheric pollution episode in Beijing, that was caused in particular by increased use of coal power plants for heating purposes.
This was considered to be the worst episode of air pollution in the United Kingdom's history.
This was considered to be the worst episode of air pollution in the United Kingdom's history.
An episode of air pollution with fine particles has been underway since Monday 15 January in the Arve valley.
An episode of pollution by fine particles across the region.
The Great Smog is still considered the worst air pollution event in European history.
The Great Smog was the worst air-pollution event in the history of the United Kingdom.
It is considered the worst air pollution event in the history of the United Kingdom.
It is considered the worst air pollution event in the history of the United Kingdom.
An air pollution peak affects the city of Lyon since Thursday this week.
Beijing – After a storm (left) and with visible air pollution (right)
Beijing � After a storm (left) and with visible air pollution (right)
As you will probably have seen, Paris experienced high air pollution levels last week.
The city of Oslo is going through a high phase of air pollution, which has taken the shape of a smog that is suffocating the whole city.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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