The word that is commonly used to describe the actual smell of cigarette smoke is "noxious."
Define noxious?
"Noxious" means harmful, poisonous, or very unpleasant in smell or effect.
Are you sure that is the right word used to describe the actual smell of a cigarette smoke?
I apologize for the confusion. The word commonly used to describe the smell of cigarette smoke is "pungent." Pungent means having a strong, sharp smell or taste.
