Heat wave and peak of pollution: should we continue to ventilate?


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Heat wave and peak of pollution: should we continue to ventilate?


The heat wave is gaining ground: 78 French departments are now on orange alert. The peak of 40 degrees has even been reached in the Bouches-du-Rhône. And as the mercury climbs, ozone pollution settles in the Paris region, Lyon and the South.

How to cope with this peak of pollution coupled with high temperatures? A question that makes sense, since these two phenomena can complicate gestures a priori the simplest, such as aeration of his home.

In hot weather, official recommendations are to keep windows and shutters closed during the day, and to ventilate at dusk and at dawn, when temperatures are at their lowest.

During an episode of pollution, it is also advisable to ventilate your home, as this allows you to "reduce the air pollution concentrating inside buildings (materials, paint, cleaning products, tobacco, combustion appliances, cosmetics, scented candles ...) and the transfer of some of the air pollution from the outside air "can you read on the website of the Ministry of Solidarity and Health.

This ventilation should be done at the times of the day with the least pollution. To know the evolution of the air quality at home, just consult the approved association for monitoring the air quality of your area, which you can find on the site of Atmo France. Airparif indicates for example that Tuesday, June 25, in Ile-de-France, the pollution index was lower during the morning and evening than midday.

Continue airing your home during a heat wave and during a peak pollution? Yes, but no matter how, and most importantly, not anytime!

Read also :

⋙ Heat wave and pollution spike: the right actions to protect yourself from fine particles or ozone

⋙ Heat wave: 9 gestures to forget urgently when it is very hot

⋙ Hot weather alert: dermatologists' advice to protect your skin


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