Key Points

• Seven departments in the region were placed under an orange alert from August 19 to 25, 2023 (including three from August 18 to 25, 2023). Météo-France did not issue any specific regional alerts as of August 26, 2023.

• Trends in heat-related morbidity indicators from August 18, 2023, to August 24, 2023:

  • moderate increase in the proportion of emergency room visits among all age groups and those aged 75 and older for the composite heatwave indicator (iCanicule);

  • an increase in hospitalizations following emergency department visits for the composite heatwave indicator (iCanicule) among coded visits for all age groups and those aged 75 and older;

  • an increase (small numbers) in the proportion of SOS Médecins calls for all age groups and those aged 75 and older, with a return on 08/24/23 to pre-heatwave levels (1 call, 0.3% of activity).