Addressing firefighter concerns: unraveling the complexities of bushfire smoke composition and toxicity

Background: Bushfire smoke is a complex mixture of hazardous substances. Inhalation poses acute and chronic health risks to firefighters, including respiratory and cardiovascular effects and potential risk for certain cancers. Aims: This paper addresses specific questions from Australian firefighters (via a Fulbright report based on extensive interviews) regarding bushfire smoke. It provides an overview of current understanding and evidence-based recommendations for minimizing exposure and mitigating health risks. Methods: A review of scientific literature and relevant organizational reports and standards was undertaken to search for evidence to answer the questions raised by Australian bushfire firefighters regarding bushfire smoke exposure and related health and safety topics. The questions were gathered through site visits and interviews with fire service agencies and researchers throughout Australia, as detailed in the Fulbright report. Key results: The literature review emphasizes the importance of personal protective equipment (PPE), improved decontamination protocols, the need for real-time exposure monitoring and adequate exposure reduction policies. Addressing the specific questions posed by firefighters is a key outcome of this work. Conclusions: Bushfire smoke exposure presents significant health risks to firefighters, necessitating comprehensive mitigation strategies. Implications: Findings highlight the need for consistent PPE use, improved decontamination and further research to enhance firefighter safety.