In light of recent events, fire protection has once again become a focus of public attention. Tragic fires, such as those that occurred recently in Crans-Montana, at Uelzen Hospital, at Grenfell Tower, in nightclubs in Brazil and North Macedonia, and at Düsseldorf Airport, have left a lasting impression on the public consciousness. Yet whilst images of flames dominate the headlines, the greatest danger is often underestimated: fire smoke.