Environmental monitoring following the Grenfell Tower fire (updated)

Published 14 July 2017

Last updated 25 July 2025 — See all updates

Environmental monitoring following the Grenfell Tower fire: 24 July 2025

Details

This is the first ‘Environmental Monitoring following the Grenfell tower fire' report to be published since 6 March 2025, following a change of monitoring network. The report includes data from 5 March 2025 to 16 June 2025 from the new Breathe London Communities monitoring network. Following this initial report, we will return to publishing weekly reports of the data.

This is a regular weekly report about the air quality in the area surrounding Grenfell Tower. It contains data tables, graphs, an explanation of the data and photos of monitoring equipment.

The report covers the last 4 weeks of results and environmental monitoring data is shown alongside an explanation of the data in terms of potential impacts on health.

For all monitoring results between 24 June 2017 and 29 December 2021, see the ‘Environmental monitoring following the Grenfell Tower fire report' dated 29 December 2021.