Key Points

• From August 10, 2024, to August 12, 2024, amid a heat wave, Météo-France issued an orange alert for 10 departments (covering 95.3% of the region’s resident population). Of these, 6 were under an orange alert starting August 10 (Ain, Drôme, Isère, Savoie, Haute-Savoie, Rhône) and 4 starting August 11, 2024 (Allier, Ardèche, Loire, Puy-de-Dôme).

• Météo-France issued an orange alert for 6 departments on August 13, 2024 (Ain, Drôme, Isère, Rhône, Savoie, Haute-Savoie).

• Regional analysis of emergency care utilization indicates that the iCanicule composite health indicator (including hyperthermia, dehydration, and hyponatremia) has remained stable since the start of the heatwave.

• Regional analysis of calls to SOS Médecins does not indicate an increase in the iCanicule composite health indicator (including heatstroke and dehydration) since the start of the heatwave.

• 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.