Bike Forums - View Single Post - pollution masks in cities?

04-21-15 | 11:28 AM

#19

cyccommute

Mad bike riding scientist

Joined: Nov 2004

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From: Denver, CO

Bikes: Some silver ones, a red one, a black and orange one, and a few titanium ones

Quote:

Originally Posted by erig007

Thank you for noticing the limits of these studies.
Those masks at least deal with particles in the PM2,5 range which aren't harmless.
WHO | Ambient (outdoor) air quality and health

Notice that the fact sheet says particles that are 10 µm or less. The bulk of diesel particulates are sub 0.05µm which is way less than 10 µm. A bandana would be as effective as just about any dust mask.

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