Ozone (O3) is of crucial importance for the equilibrium of the Earth's atmosphere. In the stratosphere, the ozone layer shields the biosphere from dangerous solar ultraviolet radiation. In the troposphere, it acts as an efficient cleansing agent, but at high concentration it also becomes harmful to the health of humans, animals, and vegetation. Ozone is also an important greenhouse-gas contributor to ongoing climate change.

These products are provided in NetCDF-CF format and contain total ozone, ozone temperature, and error information including averaging kernels.

More information and examples

Dataset Specifications

Examples of filenames (a.k.a. granules):

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S5P_OFFL_L2__O3_____20260201T231910_20260202T010040_43039_03_020800_20260203T160126.nc S5P_NRTI_L2__O3_____20260201T234313_20260201T234813_43039_03_020800_20260202T005317.nc S5P_RPRO_L2__O3_____20220701T230527_20220702T004657_24439_03_020401_20230122T193308.nc

Elements in the filename separated by underscores after the initial "S5P":
* processing type: near-real time (NRTI), off-line (OFFL), reprocessing of off-line (RPRO)
* product identifier [10 char.]
* start date and time of granule
* end date and time of granule
* orbit number [5 char.]
* collection number [2 char.]
* version number [6 char.]
* production date and time
In case of OFFL and RPRO granules are full orbits, for NRTI granules are 5-minute chunks of orbits.

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Dataset Specifications V2

Temporal Coverage

Since 12-Jul-2020

Reprocessed (RPRO) dataset: from 30-Apr-2018 to 03-Aug-2022

Spatial Coverage

~2600 km swath

Full daily surface coverage of radiance and reflectance measurements for latitudes > 7° and < -7°, and better than 95 % coverage for latitudes in the interval [-7°, 7°]

Spatial Resolution at Nadir

3.5 x 7.0 km (across x along track), at beginning of mission

3.5 x 5.5 km (across x along track), since 6 August 2019

Processor Version02.xx.xx, with x=any digit between 0 and 9

Dataset Specifications V1

Temporal Coverage

From 30-Apr-2018 to 12-Jul-2020

Spatial Coverage

~2600 km swath

Full daily surface coverage of radiance and reflectance measurements for latitudes > 7° and < -7°, and better than 95 % coverage for latitudes in the interval [-7°, 7°]

Spatial Resolution at Nadir

3.5 x 7.0 km (across x along track), at beginning of mission

3.5 x 5.5 km (across x along track), since 6 August 2019

Processor Version01.xx.xx, with x=any digit between 0 and 9

Processing Level

Level-2 processing of S5P/TROPOMI data.

How to Access the Data

The data related to this product and to the other S5P/TROPOMI products are accessible via the  Copernicus Data Space Ecosystem (CDSE).

Documentation & Related Datasets

Technical documentation on the S5P/TROPOMI Level-1B and Level-2 products can be found on the the  SentiWiki S5P Products page.

Dataset Citation Guidelines

Users, who, in their research, use ESA Earth Observation data that have been assigned a DOI, are asked to use it when citing the data source in their publications:

Dataset Citation Guidelines V2

Copernicus Sentinel-5P (processed by ESA), 2020, TROPOMI Level 2 Ozone Total Column products. Version 02. European Space Agency. https://doi.org/10.5270/S5P-ft13p57

Dataset Citation Guidelines V1

Copernicus Sentinel-5P (processed by ESA), 2018, TROPOMI Level 2 Ozone Total Column products. Version 01. European Space Agency. https://doi.org/10.5270/S5P-fqouvyz