Top of the atmosphere view from ISS. Credit: ISS/NASA

Atmospheric Composition monitoring (AC SAF)

Data on ozone and atmospheric chemistry

Top of the atmosphere view from ISS. Credit: ISS/NASA

Top of the atmosphere view from ISS. Credit: ISS/NASA

Related pages

Satellite Application Facilities (SAFs)

Utilising specialist expertise from the Member States, Satellite Application Facilities (SAFs) are dedicated centres of excellence for processing satellite data.

Climate monitoring (CM SAF)

The CM SAF generates and archives high-quality climate datasets.

Land Surface Analysis (LSA SAF)

The LSA SAF exploits remotely-sensed data on land, land-atmosphere interactions and biosphere applications.

Sea ice. Credit: Hortigüela

Ocean and Sea Ice (OSI SAF)

The OSI SAF provides comprehensive information on the ocean-atmosphere interface.

NWP. Credit: peach_adobe

Numerical Weather Prediction (NWP SAF)

The NWP SAF supports the interface between satellite data and European activities in NWP.

ROM SAF. Credit: alesta/AdobeStock

Radio Occultation Meteorology (ROM SAF)

The ROM SAF generates and archives high-quality GNSS Radio Occultation (RO) data for NWP.

Storms clouds with sun rays

Support to Nowcasting and Very Short Range Forecasting (NWC SAF)

Nowcasting is a weather forecast for the next few hours, based on current information.

Flooded street in England. Credit: Brian Jackson

Support to Operational Hydrology and Water Management (H SAF)

The H SAF generates and archives datasets and products for operational hydrological applications.

The Atmospheric Composition Monitoring Satellite Application Facility (AC SAF) is devoted to monitoring the Earth's atmospheric composition, including trace gases, ozone, and ultraviolet radiation.

Last Updated

26 September 2023

Published on

24 June 2020

Through data analysis and interpretation, the AC SAF helps understand global phenomena such as air quality, atmospheric pollution and climate change. Its products contribute to environmental policy implementation, climate change mitigation, aviation safety and public health protection.

Find out more about the AC SAF here.

AC SAF

SAF leader and consortium

Leading entity

Finnish Meteorological Institute (FMI), Finland

Consortium members

Deutsches Zentrum für Luft- und Raumfahrt (DLR), Germany

Deutscher Wetterdienst (DWD), Germany

Koninklijk Nederlands Meteorologisch Instituut (KNMI), The Netherlands

Danmarks Meteorologiske Institut (DMI), Denmark

Aristotle University of Thessaloniki (AUTH), Greece

Koninklijk Meteorologisch Instituut van België (RMI), Belgium

Belgian Institute for Space Aeronomy (BIRA-IASB), Belgium

Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), France

Université libre de Bruxelles (ULB), Belgium

Mariolopoulos - Kanaginis Foundation (MKF), Greece

S and T Corporation, the Netherlands