Air quality: How indoor pollution affects your health and what to do about it

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As we weave our way through London traffic on our bikes, the foul air we breathe is always a concern. It’s a relief to return to a place where you might think the air is sweeter and better for me.

“People don’t imagine there’s pollution indoors,” says Corinne Mandin of the French Center for Science, Technology and Architecture. “But there are more pollutants inside buildings than in the air outside.”

The problem of indoor pollution has long been overlooked thanks to covid-19, which has focused attention on air quality and ventilation in enclosed spaces. It is very serious when it becomes clear to scientists that a substance is probably the main cause of illness and death. Millions of deaths are related to air quality.

Last year, the US National Academy of Sciences (NAS) published an important book on this topic. Other countries are doing the same, says Mandin. “Indoor air pollution is on the rise now.”

As this research accelerates and reveals the true scale of the problem, it is tempting to conclude that nowhere is safe to breathe. But the good news is that you can reduce your exposure to indoor pollution by making a few simple changes.

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