Ask the pilot | Salon Technology

Ask the pilot Salon Technology: Who would have ever known? The air supply in a plane is entirely new every 2-3 minutes, and it's cleaner than a typical office (maybe that shouldn't be a surprise...) Patrick Smith wrote a particularly good article this time. Check it out.

One assumption I had about airline air is borne out. It is incredibly dry. 12%, substantially drier than most deserts as it turns out. I think my last flight managed to destroy my leather watchband from the dryness, no joke!