Cited by 12Climate Change and Health ImpactsThermoregulation and physiological responsesAir Quality and Health Impacts

Machine learning for modelling the health impacts of extreme heat: A comprehensive literature review.

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Boudreault, Jérémie, Lamothe, Félix, Campagna, Céline, Chebana, Fateh·2025·Environment International

Abstract

Extreme heat ranks among the deadliest weather events globally. The number of heat-related deaths is expected to rise sharply as population ages and climate changes. In recent years, machine learning (ML) approaches have been increasingly used across a range of environmental and health fields, including heat-health studies. In this paper, we conducted a comprehensive literature review of the current ML applications for modelling the human health impacts of extreme heat. We searched for relevant scientific articles published in English in PubMed, Scopus and Web of Science databases from their inception to the search date of December 20, 2024. After screening titles, abstracts and full-texts, 25 papers were included in this review. We found that most of the studies were conducted in high-income countries such as Japan, Canada, South Korea or the United States. The studies primarily modelled a single health outcome, including all-cause mortality or heat-related illness, in the general population. The main predictors were maximum and mean air temperature, followed by relative humidity, and various temporal and socio-demographic variables. The most commonly used approach was Random Forest. Results were mixed regarding the optimal algorithm and the most important predictors. This review highlighted the strengths and limitations of current ML applications in heat-health studies. We propose recommendations to help guide the future development of these approaches to reduce the heat-re…

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Crossref · 10.1016/j.envint.2025.109965

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  • Deep learning methods have received increasing attention in recent years because they have shown good results in spatiotemporal prediction problems.

    “For that reason, deep learning methods have received increasing attention in recent years because they have shown good results in spatiotemporal prediction problems [14, 15].”

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Authors
Boudreault, J., Lamothe, F., Campagna, C., & Chebana, F.
Affiliations
  • Institut National de la Recherche Scientifique (CA)
  • Institut National de Santé Publique du Québec (CA)
Corresponding author
Boudreault, Jérémie
Venue
Environment International
Publisher
Elsevier BV
Published
2025-12
Volume
206
Pages
109965
ISSN
0160-4120 (ISSN-L)
OpenAlex
W4416714246
Cited by
10
References
80
Citations by year
2026: 10
FWCI
1.13
Type
journal article
Language
en
Open access
Locations
  • Environment International (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Quebec Research Fund Society and Culture (0CAR-360085)
  • Institut national de santé publique du Québec
  • NSERC (-180821)
  • CIHR (-317725, #IF1-184093)
  • Institut national de la recherche scientifique
  • Fonds de recherche du Québec
Topics
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Climate Change and Health Impacts
  • Health Sciences › Medicine › Physiology › Thermoregulation and physiological responses
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Air Quality and Health Impacts
Keywords
extreme heat, heat-related mortality, heat-related illness, machine learning, random forest, deep learning, air temperature, relative humidity, sociodemographic predictors, vulnerable populations, data-scarce regions
MeSH terms
Machine Learning, Humans, Models, Theoretical, Extreme Heat, Climate Change

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