The various datasets listed below are available for download and as charts/plots together with documentation through the Atmosphere Data Store (ADS).

CAMS data is open and free of charge (see Copernicus Licence for details).

For latest announcements on C3S new data releases, please visit the CAMS User Forum Announcements

Global CAMS data:

  1. Latest three days of Real-Time CAMS global daily analysis and forecast data are available through:
    1. the ADS interactive web interface download forms: CAMS global atmospheric composition forecasts
    2. CDS API allowing users to download Global CAMS data in a programmatic way
    3. the FTP dissemination service
  2. CAMS Global archived analysis and forecast daily data (6 hourly analysis and 3 hourly up-to 5 days forecast data since 05/07/2012, available with a 5-day delay, approximately 40km horizontal resolution (T511 spectral) on 60 vertical levels from the surface up to 0.1 hPa; increased to 137 levels on 09/07/2019 onwards as part of the IFS cycle 46r1 upgrade - see  Implementation of IFS cycle 46r1  for details).  These data are available for download through:
    1. ADS interactive web interface download forms: CAMS global atmospheric composition forecasts
    2. CDS API allowing users to download Global CAMS data in a programmatic way.
  3. CAMS global delayed-mode analyses and real-time forecasts of CO2 and CH4: On request only - Contact us

  4. CAMS Global reanalysis data (EAC4) (3-hourly and monthly), 2003-June 2021, releases twice a year with 6 month delay, approximately 80 km (T255 spectral) on 60 vertical levels from the surface up to 0.1 hPa for the analysed species) are available for download through:

See What are the changes from the MACC Reanalysis to the CAMS interim Reanalysis, to the CAMS Reanalysis?

Regional CAMS data (European domain, 25W/30N/45E/72N since 12th June 2019. Before this date, the domain coverage was smaller i.e. 25W/30N/45E/70N):

  1. CAMS European air quality analysis and forecast hourly data(three-year rolling archive, approximately 10km horizontal resolution from surface up to 5000m) are available for download either through:
  2. CAMS European air quality reanalyses data (approximately 10km horizontal resolution from surface up to 5000m) are available for download through:

Greenhouse gas data:

  1. CAMS Global greenhouse gas reanalysis (EGG4) (3-hourly and monthly), 2003-2020, releases twice a year with 6 month delay, approximately 80 km (T255 spectral) on 60 vertical levels from the surface up to 0.1 hPa for the analysed species) are available for download through:

  2. Carbon Monitor CO2 emissions provide regularly updated estimates of daily CO2 emissions based on activity data for six sectors. Data are available through:

Supplementary Products: Solar and UV Radiation data:

  1. Solar radiation (2004 - present with up to 2 days delay) - global clear-sky solar irradiance and Meteosat satellite field-of-view coverage total-sky surface solar irradiation
  2. Global UV radiation archived data (see forum)

Supplementary Products: Emission products, climate forcings and Greenhouse Gases (GHG) flux inversions data:

Supplementary Products: Policy Support products:

  1. Daily Source Attribution including City & Country impact, Country contribution, Sector apportionment, Policy scenarios, Chemical speciation, Model evaluation and Air control tololbox (ACT)
  2. Yearly Air Pollution Analysis including City & Country impact, Country contribution, Sector apportionment, Chemical speciation, Model evaluation, Air Quality Indicators
  3. CAMS Air Quality Reports including episode reports and annual reports

CAMS Charts:


This document has been produced in the context of the Copernicus 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.