France is experiencing a significant heatwave, with red alerts – the highest level – in effect across 54 of its departments, representing over half the country. The extreme heat is spreading northwestward, intensifying concerns for public health. Monday saw record-breaking temperatures, with several cities exceeding 40 degrees Celsius. Authorities are urging residents to take precautions against heatstroke and dehydration. The alert level indicates a very high risk for the entire population, not just vulnerable groups. This heatwave follows similar extreme weather events in other parts of Europe this summer.