How is that even physically possible

People here are acting like air doesn’t have molecules or anything in it. It’s not a vacuum like space. If you punch hard/fast enough underwater would you see bubbles or some sort of rippling? Yes. If you added some coloured gas to the air would you see it? Yes. It’s a comic series, and it helps illustrate his power and movement. Don’t over think it.

https://i.redd.it/juv4m089jr0c1.gif

First thought seeing that was bro thinks he Sanji