The phrase "acrid smoke" refers to smoke that has a strong, unpleasant and irritating smell or taste. It is often associated with burning substances, chemicals or fire. Full definition
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)
Thick, acrid smoke filled the skies over the New York State Thruway Authority Maintenance complex as firefighters from Larchmont, New Rochelle and ultimately Harrison dumped thousands of gallons of water in an effort to bring the bring the massive (newrochelletalk.com)
Indonesia has failed to tackle the problem, despite repeated vows to do so, so Singapore decided to take matters into its own hands after acrid smoke blanketed the island last year, posing a danger to health and a worry to the tourist industry. (scientificamerican.com)