• ACTRIS: Aerosols, Clouds, and Trace gases Research InfraStructure Network
  • EARLINET: European Aerosol Research Lidar Network
  • EUSAAR: European Supersites for Atmospheric Aerosol Research
  • CLOUDNET: Continuous Evaluation of Cloud Profiles in Seven Operational Models Using Ground-Based Observations
  • AERONET: AErosol RObotic NETwork
  • AERONET-Europe
  • WMO SDS-WAS Northern Africa-Middle East-Europe (NA-ME-E) Regional Center
  • BDFC: Barcelona Dust Forecast Center
  • WMO: World Meteorological Organisation