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The Independent UK
The Independent UK
National
Claudia Rowan

What are the five heat levels and what happens when they are triggered?

UKHSA Met Office PA Graphics

The UK Health Security Agency (UKHSA) has increased its heat health warning from level three to four, meaning the UK faces a “national emergency” with temperatures set to soar next week.

The government’s heat health alert system is made up of five levels.

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