G33ky-Sozialzeugs

G33ky-Sozialzeugs

Information Is Beautiful infobeautiful@vis.social

Pollution levels in Paris after they introduced bike lanes and car restrictions

Red = EU limits for Nitrogen Dioxide pollution

Original graphics by Atelier Parisien d'Urbanisme
https://www.apur.org

A series of six heatmap-style graphics showing changes in pollution levels across Paris over time, with each square map labeled by year: 2007, 2010, 2015, 2017, 2020, and 2024. The earlier maps in 2007 and 2010 are dominated by dense red and orange colors concentrated in the city center, with landmarks like the Eiffel Tower and Notre-Dame labeled, indicating heavy pollution. Over the years the intensity of red areas fades, especially in 2015 and 2017 where the pollution begins to spread less densely, and by 2020 the colors shift more toward yellow and green, showing significant reductions in pollution. The 2024 map is the cleanest, with the majority of the area in yellow and green tones and only major road arteries showing thin red lines, demonstrating far less air pollution. Each map includes a “2 miles” scale marker, and the visual progression highlights how bike lanes and car restrictions introduced in Paris contributed to decreasing air pollution levels throughout the city.

Cegorach dat
okay… when did they introduce those?

I thought those large scale switch to more bike lanes was since October 2021 with " Le Plan vélo de Paris"?

So then most of the visible change in that image happened BEFORE that date?

I'm all for more bikes and less cars… but that image doesn't look like useful data to support that cause?

Samuel Mumm samuelmumm@friendica.opensocial.space

@dat @infobeautiful

2020: Covid-19

Cegorach dat

and average and catalytic converters are way better in 2020 than in 2007

nitrogen dioxide may have decreased more due to that.

now if we were looking at fine particulates or other problems that are still a big problem as before per car? That might look entirely different.

All I'm saying is: that image isn't showing much and maybe even the opposite of what was intended.

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