Red alert across Tuscany as heatwave tests cities and visitors

Italy's health ministry placed 27 cities on red alert ahead of the weekend as a blistering heatwave across much of Europe toppled temperature records and disrupted energy and transportation systems in several countries, France 24 reported Friday.

The alert covers cities from Trieste in the northeast to Palermo in Sicily, including Florence and other Tuscan centres, according to the report. The heat has set a national temperature record in Austria, fueled wildfires in France and disrupted energy and transportation systems across the continent, CBS News reported.

For Tuscany, the red alert arrives at the peak of the tourist season, when the region's historic centres are at their most crowded. The combination of high temperatures and dense visitor numbers puts strain on both the people who live and work in cities like Florence and the millions who come to see them.

The heatwave has been building for weeks, with temperatures across much of Italy approaching or exceeding those recorded during the infamous summer of 2003, according to The Local Italy. That comparison carries particular weight in a region where the built heritage — Renaissance palazzi, stone piazzas, and narrow medieval streets — was not designed for sustained extreme heat and offers little respite.

The strain is already visible in public services. Rome's newest metro line is facing criticism over high temperatures, while air conditioning systems on electric buses struggle with higher temperatures than they were designed for, The Local Italy reported. While the report focuses on the capital, the same infrastructure challenges echo in Florence, where the tram network and bus fleet face similar pressures during peak tourist months.

The health ministry's red alert signals a broader reckoning for Italian cities as climate change makes such heatwaves more frequent. For Tuscany's tourism economy, which depends on the comfort of visitors as much as the preservation of its heritage, the question is whether the region can adapt its public spaces, transport, and hospitality to a hotter reality without losing the character that draws people here in the first place.

Experts have begun advising visitors on how to cope, from seeking out supermarkets and air-conditioned spaces to taking night-time tours, according to the BBC. For Florence, the advice points to a deeper tension: the city's appeal lies in its open-air streets and squares, yet those same spaces are becoming harder to enjoy as the mercury climbs.