We can all see that many cities are extremely polluted and it's clear that vehicles are responsible for much of that pollution. Nitrogen oxydes, Ozone and particulates are considered the main three pollutants that affect air quality in cities. But how bad is the air for our lungs when we talk about using a specific means of transportation? Is biking in the dirty air worse than sitting in your car? Libération, one of France's most important newspapers, has a very interesting article about just this topic. The article describes the results of a study on air quality in some urban environments based on various activites. How bad is it to travel in different urban situations and how does this affect to the air quality we breathe? Follow us after the jump to see the results from worst to best.
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