Paris has seen a remarkable drop in air pollution over the past 15 years.
Four heat maps show annual average NO2 air quality in a city center from 2007 to 2017, with the 2023 map highlighted in a blue heart outline. Each map uses a color scale from green to red, indicating increasing pollution levels, with the 2007 map showing the highest red center. The text '2007!', '2012!', '2017!', and '2023!' is overlaid on each respective map, with '2023!' inside the heart. The maps are labeled 'QUALITÉ DE L'AIR (NO₂) EN [year]' and include a color bar and scale. The source is 'apur'.
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2025-03-10 01:30:03
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