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Published on: November 21, 2017

Heat-Related Emergency Medical Services Activations in the United States, 2020-2024: Rates, Demographics, and

Shubhayu Saha1, Lauren Jensen1, Cody S Olsen1

  • 1Shubhayu Saha is with Tracking California, Public Health Institute, Oakland, CA. John Balbus is Principal at Climate Care Consulting, Washington DC. During the formative part of the article, Lauren Jensen and Arsenio Mataka were with the US Department of Health and Human Services, Washington, DC. Cody S. Olsen, Casey Gregor, and Benjamin Fisher are with the Utah Data Coordinating Center, University of Utah, Salt Lake City. N. Clay Mann is with the Department of Pediatrics, University of Utah School of Medicine, Salt Lake City.

American Journal of Public Health
|May 13, 2026
PubMed
Summary

Heat-related emergency medical services (EMS) activations are more common in older adults, males, and certain racial/ethnic groups, particularly in rural areas with poor socioeconomic conditions. Data from the National Emergency Medical Services Information System (NEMSIS) helps monitor these heat exposure illnesses.

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