Thread: pollution masks
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Old 11-20-09 | 07:57 PM
  #73  
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closetbiker
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Originally Posted by John C. Ratliff
I have heard that claim a lot, about bicyclists getting less pollution than those inside a car, but have never seen it quantified in a study. I suspect that it is not true, at least with newer cars. Many of those new cars now include filtration of the air, and some even have HEPA filtration of the air coming into the cars.

John
The California Air Resources Board (ARB) and the South Coast Air Quality Management District (SCAQMD) announced that exposure to some air pollutants and toxic compounds may be ten times higher inside vehicles than in ambient air.

This report found that pollution levels inside cars are often much higher those detected in the ambient air, at the roadside, and in other commonly used vehicles.
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