The quality of the air we breathe indoors is now recognized as a key factor in the rising incidence of various chronic conditions and respiratory allergies. In industrialized...

The summer of 2023 was marked by four heat waves, which affected 73% of the French population. Monitoring of this summer—which Météo France has identified as the fourth hottest since...

Key points According to Météo-France, the summer of 2023 was the fourth hottest summer recorded in France since the beginning of the 20th century. The 2023 summer monitoring...

Key Points The Auvergne-Rhône-Alpes region is the only region affected by all four heat waves. During these heat waves, biometeorological alert thresholds were exceeded in all 12...

Key Points The Bourgogne-Franche-Comté region experienced two heat waves, the first occurring during the first half of July and the second during the second half of August 2023....

Key Points Brittany experienced a heat wave during the first half of September 2023. During this period, biometeorological alert thresholds were exceeded in Ille-et-Vilaine. An...

Key Points The Centre-Val de Loire region experienced two heat waves, the first occurring during the second half of August and the second during the first half of September 2023....

Key Points The Grand Est region experienced two heat waves, the first occurring in the first half of July and the second in the second half of August 2023. During these heat...

Key Points The Hauts-de-France region experienced an initial heat wave that lasted for much of June 2023, though heat wave alert thresholds were not exceeded. A second episode...

Key Points In the Île-de-France region, the summer of 2023 was marked by unstable weather, with no heat waves in June, July, or August. The eight departments of the Île-de-France...