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Table of Contents

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Data sets

CAMS provides four different data sets from the global system. See for details: What data and charts are available through CAMS?


The CAMS global data is provided through different platforms:

Data setTime coveragePlatformAccess guidance
Global analyses and forecasts of chemical species and aerosolLatest three days

Atmosphere Data Store (ADS) or the ECMWF FTP server

see here for ADS access

see here for FTP access

Data older than five daysAtmosphere Data Store (ADS) or the ECMWF data archive

see here for ADS access

Delayed-mode analyses and real-time forecasts of CO2 and CH4

N/AOn requestContact us by creating a ticket through the ECMWF Support Portal (Charts and Data > Get our products )

Fire emissions from the Global Fire Assimilation System (GFAS)

Latest seven days

ECMWF FTP server

see here for FTP access

Data older than one dayAtmosphere Data Store (ADS) or the ECMWF data archivesee here for ADS access


  • CAMS Reanalysis
  • MACC Reanalysis

CAMS Reanalysis on ECMWF archive: using Atmosphere Climate Store (ADS)

MACC Reanalysis: see here

All datasets are available in GRIB and NetCDF format.

The ECMWF FTP server is supported for operational use (365/24/7). It allows batch access using the FTP protocol.

The ECMWF data archive is not supported for operational use. It allows batch access using the ECMWF Web API.

Data Licence

The CAMS data is governed by the licence terms available here.


CAMS is very interested to hear about your use of the data. Please contact us through the ECMWF Support Portal


This document has been produced in the context of theCopernicus Atmosphere Monitoring Service (CAMS).

The activities leading to these results have been contracted by the European Centre for Medium-Range Weather Forecasts, operator of CAMS on behalf of the European Union (Delegation Agreement signed on 11/11/2014 and Contribution Agreement signed on 22/07/2021). All information in this document is provided "as is" and no guarantee or warranty is given that the information is fit for any particular purpose.

The users thereof use the information at their sole risk and liability. For the avoidance of all doubt , the European Commission and the European Centre for Medium - Range Weather Forecasts have no liability in respect of this document, which is merely representing the author's view.

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