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File:Air Quality in Seoul’s metropolitan area improves thanks to sustainable policies (Copernicus 2024-01-14).jpg

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Summary

Description
English: The Seoul (Korea) metropolitan area, visible in this image acquired by one of the Copernicus Sentinel-2 satellites on 3 December 2023, is home to 26 million people. A recent report by the United Nations Environment Programme (UNEP) on air quality in the metropolis has revealed that, in 2005, the levels of harmful air pollutants, such as particulate matter (PM), were much higher than national standards and World Health Organization (WHO) thresholds. However, thanks to the Korean government's efforts to establish a strong regulatory framework to manage air quality in the region, the concentration of these pollutants reduced significantly by 2020. The TROPOspheric Monitoring Instrument (TROPOMI) onboard the Copernicus Sentinel-5P satellite allows scientists to monitor the levels of the majority of air pollutants with an unprecedented level of detail on a global scale, with a revisit time of one day.
Date Taken on 3 December 2023
Source Air Quality in Seoul’s metropolitan area improves thanks to sustainable policies
Author European Union, Copernicus Sentinel-2 imagery
Keywords
InfoField
Atmosphere; Air Pollution; Cities

Licensing

© This image contains data from a satellite in the Copernicus Programme, such as Sentinel-1, Sentinel-2 or Sentinel-3. Attribution is required when using this image.
Attribution: Contains modified Copernicus Sentinel data 2023

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Captions

The Seoul (Korea) metropolitan area, visible in this image acquired by one of the Copernicus Sentinel-2 satellites on 3 December 2023, is home to 26 million people.

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height

3,522 pixel

width

5,478 pixel

data size

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determination method: SHA-1

inception

3 December 2023

publication date

14 January 2024

pHash checksum

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determination method: JImagehash perceptual hash

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current15:12, 16 August 2024Thumbnail for version as of 15:12, 16 August 20245,478 × 3,522 (17.55 MB)OptimusPrimeBot#Spacemedia - Upload of https://www.copernicus.eu/system/files/2024-01/image_day/20240114_Seoul.jpg via Commons:Spacemedia
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