Key Points Heat-related indicators A heat wave occurred from June 29 to July 2, 2025, with all departments placed under an orange heat wave alert (and Yonne under a red alert for two...

Key Points A heat wave affected France during week 27 of 2025. Météo France issued an orange “heat wave” alert for the five departments of the Pays de la Loire region, effective from...

Key Points According to Météo France, the region’s second heat wave began on June 28, 2025, and ended on July 5, 2025. It affected all departments in the region. A regional analysis of...

Key Points Local cases As of July 8, 2025, ten episodes of local transmission have been identified in mainland France: 9 chikungunya outbreaks (1 to 12 cases per outbreak) 1 dengue...

Key Points A heat wave hit France at the end of week 26/2025 and continued into week 27/2025. In Brittany, the heat wave began on Saturday, June 28, when Météo France issued a yellow...

Key Points Following a heat wave, Météo France issued an orange heat wave alert for the departments of Aisne, Nord, and Oise, as well as a yellow alert for Somme and Oise, effective...

Key Points Weather Conditions in Nouvelle-Aquitaine Following the heat wave that affected the region on June 21, a new heat wave hit the Nouvelle-Aquitaine region between June 29 and...

Key Points The orange heat wave alert period began on June 20 and ended on July 7. During this period, 87 departments across all regions of mainland France were placed under an orange...

Key Points In light of the extreme heat, Météo-France has issued a red heat wave alert for all eight departments in the Île-de-France region (Paris, Seine-et-Marne, Yvelines, Essonne,...

Key Points In week 27 (June 30–July 6, 2025), the number of emergency department visits decreased among 2- to 14-year-olds (-8%) and remained stable in other age groups. The number of...