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Detecting nitrogen dioxide from power plants with Sentinel-2

Atmospheric nitrogen dioxide is a harmful pollutant with significant impacts on air quality, climate and the biosphere. Although satellites have mapped nitrogen dioxide concentrations since the 1990s, their resolution was generally too coarse to pinpoint individual sources like power plants.In a recent study, researchers used imagery from Copernicus Sentinel-2 to observe nitrogen dioxide plumes from power plants for the first time – marking a significant advancement in air pollution monitoring.

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