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FAQ n.115320

How is air recirculated in the cabin and is it safe?

Answer

The quality of air provided during a flight is very high. This is due to frequent exchange of air (the entire air supply is typically exchanged every 3-5 minutes) and the High Efficiency Particulate Air (HEPA) filters which are used on board of most modern aircraft. Airlines and airport operators will work together to ensure that passengers are not kept on board an aircraft without proper ventilation for longer than 30 minutes.

Last updated
09/06/2020

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