this post was submitted on 05 Jun 2026
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Mine goes up to 2850 or so, even when I air out the room in the evening down to 430 or so.
But luckily no headache for me. I can't handle having the door open, I'm the last flatmate to get up in the morning.
That…. Should be looked at because that’s not right.
Well there is no forced air. There isn't really any variables to have anyone look at. Short of sawing a hole in a wall, door or window.
According to this calculater:
The room is about 20 m³ in volume. So in total that's 14.4 g to 108 g in a night. Ignoring any that diffuses under the door into the hallway, this would imply I breathe out 93.6 g of CO₂ in 8 h at rest.
A common number I see online for adult humans is 1kg per day. Makes sense that a significantly higher than proportional part of that is during waking hours, so I expect quit a bit less than 300g at night. Seems pretty plausible to me all-in-all.