Key Points

• According to Météo France: “Temperatures continue to drop across much of the country. Temperatures will remain below or near normal throughout the week. No risk of a heat wave.” The heat wave, classified as an orange alert, affected our region from August 10, 2025, to August 16, 2025.

• A regional analysis of emergency care utilization indicates an increase in the iCanicule composite health indicator (including hyperthermia, dehydration, and hyponatremia) during the episode. This trend falls within expected fluctuations given the meteorological conditions and is observable across the region as a whole.

• Heat poses a health risk to the entire population. The observed health impacts underscore the importance of implementing preventive measures to mitigate the effects of heat.