Pollution on London's Zone 1 tube mapped for the first time. An FT investigation show's just how bad the air on the tube is. Fantastic article by @FinancialTimes' @CamillaHodgson and @lesliehook #pollution #gistribe
ft.com/content/6f381a…
ft.com/content/6f381a…
Using hundreds of measurements covering 75 tunnel segments inside Zone 1 in central London, the investigation found that levels of pollution on the Underground are dangerously high. With the Central Line coming out worse, at over 7x the safe limit set by the WHO
#pollution
#pollution
On average the air quality on the deep lines were 2.5 times more polluted than the sub-surface lines
#pollution
#pollution
Measurements taken at King's Cross station show that the Victoria Line platforms were the most polluted of the three deep lines. As you can see in this beautiful technical illustration by our super-talented @ian_bott_artist
