Heat health alert issued for the South East

The yellow heat health alert is in effect from 11AM on 10/07/2025 until 10AM on 15/07/2025 across the South East.


The yellow alert has a matrix score of 11. This means:

There is 
potential for severe impacts across health and social care services due to the high temperatures, including:

  • increased risk to life across the whole population, with significant impacts on older people
  • significantly increased demand on all health and social care services
  • the heat affecting the ability of the workforce to deliver services
  • hot indoor environments making provision of care challenging and national critical infrastructure failures, such as generators and power outages


You can see all the weather health alerts currently in place across England on the UKHSA data dashboard.


How to protect yourself if you are vulnerable

While exposure to hot weather can affect anyone, some people are particularly at risk. We have published guidance on staying safe during hot weather.



Updates to heat health alerts

UKHSA and the Met Office make daily risk assessments. We will issue a new alert should the alert level change.




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