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Barcelona faces health crisis as heatwave claims 39 lives in a week

Barcelona's recent heatwave has resulted in 39 deaths within six days, raising public health alarms.

2 Nuria Martínez · June 26, 2026, 04:54 · 3 min de lectura

A severe heatwave in Barcelona has resulted in 39 fatalities over six days, raising alarms about public health. The extreme temperatures peaked at nearly 35 degrees Celsius.

In a shocking turn of events, the recent heatwave that swept through Barcelona has led to 39 confirmed deaths within just six days. The alarming spike in temperatures, which reached close to 35 degrees Celsius, has raised serious concerns regarding public health and safety.

The surge in mortality was particularly pronounced on June 24, coinciding with the traditional festivities of Sant Joan, where 13 deaths were reported alone. This follows a grim pattern observed throughout the preceding days: 11 fatalities on June 23 and smaller numbers earlier in the week.

The data comes from the daily mortality monitoring system operated by the Instituto de Salud Carlos III, which attributes these tragic losses directly to the oppressive heat conditions declared between June 19 and June 24. In total, around 49 deaths across Catalonia have been linked to this extreme weather event.

This year’s heatwave is not an isolated incident; it reflects a troubling trend observed over recent years. For instance, between May and September of last year alone, the Agència de Salut Pública de Barcelona (ASPB) recorded approximately 370 premature deaths, marking a staggering increase of 57% compared to previous years.

The ASPB’s analysis indicates that vulnerable populations are disproportionately affected by such climatic extremes. Most victims tend to be elderly individuals aged over 75, particularly women living alone in less climate-resilient housing. This demographic is often more susceptible during periods of extreme heat.

The ongoing situation has prompted emergency services into action. The Protecció Civil maintained an active alert throughout this period due to rising health risks associated with high temperatures. Medical teams have been inundated with calls related to heat-related illnesses; reports indicate that they responded to over 50 cases within Barcelona itself during this critical timeframe.

The Sistema d’Emergències Mèdiques (SEM) reported assisting 52 individuals, many requiring ambulance transport due to severe symptoms linked to overheating. Of these interventions, approximately 52% necessitated ambulance support while others were managed via phone consultations through their service line.

This summer’s initial wave of intense heat serves as a stark reminder of the growing challenges posed by climate change on public health systems worldwide. Historical data suggests that similar weather patterns could lead to increased mortality rates if preventive measures are not taken seriously.

The SEM’s overall assessment indicates that they attended to around 264 patients, with more than half needing immediate medical transport for their conditions related to soaring temperatures across Catalonia.

This situation underscores an urgent need for community awareness and preparedness as summer progresses. Residents are advised to stay hydrated and seek cooler environments whenever possible. For those feeling unwell or experiencing symptoms related to excessive heat exposure, immediate medical assistance can be sought by calling emergency services or visiting local healthcare facilities.

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Nuria Martínez

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