The word "acrid" describes something that has a strong and unpleasant smell or taste. It often refers to a sharp or bitter odor or flavor. Full definition
The faintly acrid smell of old cooked food brings to mind the aftertaste of a large gathering of people, or perhaps mob management. (artforum.com)
And every once in a while, to try to remove some of the stench, someone would light it on fire, and it would burn and smolder with acrid smoke for months on end. (redeeminggod.com)
His abstract fields intuit a rich acrid taste of dust or the scent of oaks, all drenched in the specific aqueous light of California. (western-project.com)