Science

Level 2 Products

The TROPOMI Level 2 products contain data of geophysical quantities on the satellite measurement grid. Most of the TROPOMI Level 2 products contain information on atmospheric trace gases, however there are also products related to clouds and aerosols. The data products that are generated within the Copernicus ground system are listed in the table below. The ground system generates three different data streams: the near-real-time (NRT) stream, the offline stream and the reprocessing stream.

NRT data are available within 3 hours after the data acquisition and intended for users that need quick access to the data. NRT data may be incomplete and may not have the full data quality. Other users should therefore use the offline data, which is available within a few days after data acquisition, or the latest reprocessed data.

The data products contain information on the data quality for each TROPOMI ground pixel.  It is essential that users of TROPOMI data understand and apply the data quality indicators available in the data files.  Information on the meaning of these quality fields is provided in the Product User Manual (PUM). Further information on the retrieval algorithms can be found in the Algorithm Theoretical Basis Document (ATBD).

The TROPOMI team strongly encourages users to contact us with any questions on the data. Feedback from users is of great benefit for improving the quality of the next data version. We also welcome, and encourage, users to just inform us that you are using TROPOMI data. By knowing who you are, we can contact you with new data issues as we find them. Contacts can be made via e-mail to info [at] tropomi.eu.

List of S5P/TROPOMI Level 2 Products.
Product Main parameter Additional info
Ozone (O3) total column total column  
Ozone tropospheric column tropospheric column  
Ozone profiles total and tropospheric profiles  
Nitrogen Dioxide (NO2) total column, tropospheric column  
Sulphur Dioxide (SO2) total column  
Formaldehyde (HCHO) total column  
Carbon Monoxide (CO) total column  
Methane (CH4) total column  
UV Aerosol Index aerosol index  
Aerosol Layer Height mid-layer pressure  
Cloud fraction
albedo
top pressure

 

UV1 surface irradiance
erythemal dose
 

1) The UV product will be generated in the Finnish collaborative ground segment