The Copernicus Atmosphere Monitoring Service (CAMS) is a service implemented by the European Centre for Medium-Range Weather Forecasts (ECMWF) which provides continuous, open, free, regular data and information on atmospheric composition. CAMS describes the current situation, forecasts, reanalysis and analyses consistently retrospective data records for recent years. 

CDSE provides data from Global Fire Assimilation System (GFAS), Global Atmospheric Composition Forecasts (GLOBAL) including analysis and forecast data on vertical level,  Global Additional (GLOBAL_ADDITIOANL) and WMO Essential including data on cyclones. 

Product details:

Product  Type Specific Products Spatial Extent Temporal Extent * More Information Available ** 
GFS (Global Fire Assimilation System) AN (Analysis) World January 2003 – Present Details November 2022 – April 2023 
GLOBAL (Global Atmospheric Composition Forecasts) AN (Analysis) FC (Forecasts) World January 2015 - Present Details November 2022 – April 2023 
GLOBAL ADDITIONAL AN (Analysis) FC (Forecasts) World January 2015 - Present Details November 2022 – April 2023 
WMO ESSENTIALS GH (Geopotential Height) T (Temperature) MSL (Mean sea level pressure) U (U component of wind) V (V component of wind) TCT (Tropical Cyclone Trajectory) World January 2015 - Present Details March 2018 – October 2022 
(*) depending on specific product; (**) Available ~7-14 days after product’s acquisition.