Fetching details from the dictionary...
death by smoke suffocation
火災で多くの人が煙死した。
Many people died of smoke suffocation in the fire.
煙死を防ぐために低い姿勢で避難する。
Evacuate in a low posture to prevent smoke death.
煙死の危険を減らす装置が開発された。
A device to reduce the risk of smoke death was developed.