Capnophobia (from Greek capno, "smoke", "vapor"), also known as fumiphobia (from fume), is the fear of smoking or of being in a vicinity of it. Sufferers are very aware of the negative effects of smoking on their health. Sufferers would be easy to avoid things that fear. Capnophobes would avoid smoking while not encountering someone who smokes because smoking pollutes the air.
This term also applies to the dread resulted when some capnophobes encounter any type of smoke, whether it be from the grill, firecracker, etc. When a sufferers sees or being within the smoke, s/he may panic and flee while suffering air hunger, trembling, or nausea.