As it consults on plans to close 12 fire stations, the London Fire Brigade has released response times for all of the neighbourhoods in London
It compares the current response times with predictions for how long it would take after the station closures, in addition to listing the number of fires in each area over the last two years.
London Assembly Member Darren Johnson says a number of wards will see first response times worsen by more than a minute - that's the time it takes for the first fire engine to arrive.
More top news
Official readings are recorded three metres in the air but a study found levels of nitrogen dioxide (NO2) were higher at pushchair level.
Tubes, trains, trams, buses, cable cars, river buses, taxis and going by foot - your guide to getting around during the strike.
Union officials rejected a revised offer from Underground managers during a meeting at the conciliation service ACAS this afternoon.