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.


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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