What causes the feeling that air is “stuffy?”

Question

Like right now, I’m in my apartment and just turned the A/C on because it feels stuffy. It’s not hot or humid, just… stuffy. What makes it feel that way?

In: 7

Answer 1

Heres a good 5 minute video to explain [https://youtu.be/1Nh_vxpycEA](https://youtu.be/1Nh_vxpycEA)

TLDW; higher C02 = lower cognitive function, more “stale air”