SO2 concentrations and location of power plants in India

Based on measurements gathered by the Copernicus Sentinel-5P satellite, the map shows the concentrations of sulphur dioxide over India from April 2019, compared to April 2020. The darker shades of red and purple depict greater concentrations of sulphur dioxide in the atmosphere, while the black dots indicate the locations of the large, coal-fired power plants.

Sulphur dioxide mainly comes from industrial processes and causes many health-related problems.

Read more: Sulphur dioxide concentrations drop over India during COVID-19