UK Health Agency Links Nearly 2,900 Excess Deaths to Recent Heatwaves

The UK Health Security Agency (UKHSA) estimates 2,877 heat-associated deaths occurred during May and June 2026 heatwaves, nearly doubling the 2025 annual total. This figure approaches the record set in 2022, highlighting the significant public health impact of extreme weather events. The June heatwave, lasting eight days, prompted a red heat-health alert.