We envision a world where environmental decisions are grounded in reliable, science-based information and we strive to be a central part of that process. Air Quality Essential Climate Variables Satellite Cal/Val Observation Technology LATEST NEWS Search Articles Events Projects Announcements Synergetic Multi-Instrument and Modelling Approach for the Detailed Characterisation of Rapid Transitions Between Contrasting Aerosol Regimes Multi-Instrumental Evidence of the 2025 Absorbing Aerosol Perturbation at the RADO-Bucharest Observatory Cloud enhancement events at a Romanian BSRN site and their impact on photovoltaic energy yield Comparing v11.2 OCO-2 and v11 OCO-3 XCO₂ retrievals with ground-based COCCON measurements Visit to MARS during the Romania–European Commission Enhanced Dialogue Know-how exchange at PSI within the Swiss-Romanian Cooperation Programme New 30 m Measurement Tower Installed at RADO-Bucharest ACTRIS Science Conference 2026 Participation, 20 – 23 April 2026 Visit to MARS in the Framework of the Third Joint Committee on Cooperation in the Field of Science and Technology between Romania and Japan! Copernicus Service to Support the Validation and Monitoring of Air Quality in Urban Areas – AURORA Advances in Aerosol Retrievals and Impacts on South America – AERIS ACTRIS (Aerosol, Clouds, and Trace Gases Research Infrastructure) Programme Component, Support Measure “Emissions Research & Monitoring Infrastructure Programme” Proiectul suport PANORAMA Premiere Multi-sensor synergies for improved weather-climate-environmental products and applications, to advance European services supporting green transition – PANORAMA ACTRIS September 2026 Newsletter #33 IR Intercomparison Campaign at MARS, between 17 September and 10 October 2026! ACTRIS July 2026 Newsletter #32 ACTRIS Week 2026: October 19-23 2026 in Katowice, Poland! ACTRIS March 2026 Newsletter #31 More Articles… More events… More projects… More announcements … Follow on Instagram
