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Updated 07 April 2014

Breathe easier behind the wheel

It's not possible to keep air pollution outside your car entirely, but there are ways to reduce exposure.

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Setting your car ventilation to “recirculate” considerably helps to reduce exposure to air pollution while driving.

Open car windows also quickly raise in-vehicle pollutant concentrations to on-road levels.

Keeping windows closed for over 30 minutes with several passengers raises carbon dioxide levels in cars, however. To prevent this, outside air should be pulled in every 10-15 minutes for 1-2 minutes.

Read more:
Car ventilation settings determine pollution exposure
Protect against polluted city soil

Olivia Rose-Innes is Health24’s EnviroHealth Editor. Read more of her columns and articles or post a question to her expert forum.

 
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