Does indoor air differ from outdoor air by oxygen concentration?

[Deleted member 1901]

I’ve heard conflicting claims,

 

[schizo echochamber]

Depends on ventilation, lower oxygen concentration makes you lose concentration that’s why you feel sleepy as fuck in classrooms

 

[Haydez]

Are you guys running out of retarded shit to make threads about.

 

[Deleted member 1901]

Are you guys running out of retarded shit to make threads about.

shut up GrAY

 

[coispet]

Are you guys running out of retarded shit to make threads about.

GrAYcel don’t dare raise your voice

 

[Haydez]

shut up GrAY

I guess im gray because I pointed out the water pouring out of your thread. Stupid ass fucking thread topic lmao, all placebo the air is fine

 

[Deleted member 1901]

I guess im gray because I pointed out the water pouring out of your thread. Stupid ass fucking thread topic lmao, all placebo the air is fine

You spends at least 20 hours a day inside, think about tha

 

[thecel]

CO2 concentration differs

 

[Deleted member 1901]

CO2 concentration differs

Link to Study?

 

[thecel]

Link to Study?