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Will's avatar

Are you able to explain why the 23rd sees an acceleration in levels, it was a Tuesday and assuming your data is right it changed at midnight.

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Sacha and Louise's avatar

Hi Will, I'm not too sure to be honest. I'll ask the Breathe London group at Imperial and see if they have any ideas.

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Will's avatar

I would be interested to know. You posted on another forum, a request about what other data should you seek, I replied but not sure you saw it. Wrongly maybe, but I think the pollution levels being detected are linked to other forms of pollution, diesel and open fire yes, but TfL diesel buses, domestic heating, and possibly from other sources blowing over. I would be interested to know, if I was doing the study you are, is buses passing sensor and what type of ICE they have. Are the spikes in the data due to air temperature drops and therefore increases in domestic gas heating? Does the Town hall or other commercial activity in the area push more pollution out at certain times of the day? I would like to see all the TfL buses replaced with electric trams and for the A23 to be tunnel under Brixton but in the meantime one needs to be sure on the sources of pollution. Will

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