Awasome Is Co Lighter Than Air 2023. You and your little brother were more heavily affected by it simply because you were closest to an actively emitting source of carbon monoxide and therefore suffered the heaviest exposure through inhalation. And yet, it is amazingly light and very, very slim.

It is therefore almost neutral density. Web carbon monoxide is actually lighter than air (1.14 kg/m3 versus 1.293 kg/m3) which openly contradicts your theory. Web so yes, co2 is heavier than air.