China’s NO2 emissions now rising

In English Sentinel-5p

Olivier Hagolle, 28 mars 2020

NO2 emissions are rising again over China, showing the slow recovery of Chinese industry after a two-month shutdown. The graph below was obtained from Sentinel-5p data using the NO2 time series Google Earth Engine app.

Total vertical column of NO2 (ratio of the slant column density of NO2 and the total air mass factor) from 01 January to 27 March. Daily average over Mainland China. Data source: Copernicus Sentinel-5P NRTI NO2: Near Real-Time Nitrogen Dioxide.
Global NO2 monitor

Plus d'actualités

The missing link to valorize CESBIO’s applicative research works

=>  My colleagues at CESBIO are extremely creative! Over the past ten years, they have developed a wide range of new products and methods for extracting information from Copernicus data. They don’t just develop and validate the method on a few sites; they continue their work until they have produced data for the whole of […]

Sentinel-2 overtakes Landsat in scientific litterature

OpenAlex is a new, yet already very useful, open database for exploring scientific literature. For an upcoming blog post on the CNES Datacampus website, I analysed the proportion of papers that used only one of the Sentinel-2 or Landsat missions, as well as those that used both, in 2025. What struck me was that Sentinel-2 […]

IOTA2 software mailing list

Hello everyone, We have just created a mailing list for users of the IOTA2 software (iota2 — iota2 documentation). The tool will undergo significant developments in the coming months, and the purpose of this list is to communicate with the community to support these changes and to maintain the processing workflows needed by the users. […]

Rechercher