Key Points

• On June 29, 2025, Météo-France issued an orange alert for 6 departments, followed on July 1, 2025, by a red alert for 5 departments (Cher, Indre, Indre-et-Loire, Loir-et-Cher, and Loiret—representing 83.2% of the region’s resident population) and one department (Eure-et-Loir) under an orange alert.

• A regional analysis of emergency care utilization indicates an increase in hospital emergency departments in the composite health indicator iCanicule (including hyperthermia, dehydration, and hyponatremia) compared to the previous three weeks.

This trend falls within the expected fluctuations for the current weather conditions.