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International Journal of Wildland Fire International Journal of Wildland Fire Society
Journal of the International Association of Wildland Fire
REVIEW

Wildfire smoke and public health risk

Fabienne Reisen A F , Sandra M. Duran B , Mike Flannigan C , Catherine Elliott D E and Karen Rideout D
+ Author Affiliations
- Author Affiliations

A CSIRO Oceans and Atmosphere Flagship, PMB 1 Aspendale, Vic. 3195, Australia.

B University of Alberta, Department of Earth and Atmospheric Sciences, Edmonton, AB T6G 2E3, Canada.

C University of Alberta, Department of Renewable Resources, Edmonton, AB T6G 2H1, Canada.

D Environmental Health Services, BC Centre for Disease Control, Vancouver, BC V5Z 4R4, Canada.

E School of Population and Public Health, University of British Columbia, Vancouver, BC V6T 1Z3, Canada.

F Corresponding author. Email: fabienne.reisen@csiro.au

International Journal of Wildland Fire 24(8) 1029-1044 https://doi.org/10.1071/WF15034
Submitted: 5 February 2015  Accepted: 25 June 2015   Published: 17 August 2015

Abstract

Wildfire activity is predicted to increase with global climate change, resulting in longer fire seasons and larger areas burned. The emissions from fires are highly variable owing to differences in fuel, burning conditions and other external environmental factors. The smoke that is generated can impact human populations spread over vast geographical areas. Wildfire smoke is a complex mixture of pollutants that can undergo physical and chemical transformation processes during transport and can have major impacts on air quality and public health. This review looks at the main features of smoke that should be considered in the assessment of public health risk. It describes the current state of knowledge and discusses how smoke is produced, what factors affect emissions and smoke distribution, and what constituents of smoke are most likely to cause adverse health effects.

Additional keywords: climate effects on emissions, forest fires, health impacts, mercury, particulate matter, smoke production.


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