High pollution warning issued for London by City Hall

High pollution warning issued for London by City Hall

London is set to experience a high air pollution alert on Tuesday as temperatures are expected to surpass 30C. City Hall has warned that strong sunshine and hot weather will lead to elevated ozone levels, exacerbated by airflow from mainland Europe. Imperial College London’s forecast has prompted the activation of the alert by the mayor’s office, with notifications displayed on bus stop countdown boards, London Underground signs, and sent to schools and borough councils. Mete Coban, the deputy mayor for environment and energy, highlighted the connection between London’s “toxic air” and approximately 4,000 premature deaths in the capital annually.

In response to the pollution alert during the hot weather, Londoners are advised to take precautions such as avoiding engine idling and refraining from burning wood or garden waste, actions that contribute to high pollution levels. Vulnerable groups, such as older individuals, young children, and those with existing heart and lung conditions, are particularly at risk of the adverse effects of high air pollution. The warning system, implemented by the mayor in 2016, utilizes the government’s Daily Air Quality Index to determine when alerts should be issued.

In addition to the air pollution alert, the UK Health Security Agency has issued heat health alerts for all of England, starting on Tuesday morning and lasting until Wednesday. London is among the areas expected to face the hottest conditions, with temperatures reaching up to 34C (93F), prompting an amber alert. A recent air quality report published last year noted a decrease in high pollution episodes in London, with 19 high pollution alerts and 217 moderate pollution alerts issued between 2018 and 2023. This has enabled Londoners to be more aware of high pollution episodes and take precautionary measures on those days

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