ATMO-ACCESS WP10 D10.6 Third report with feedback from users and statistics on use of the services V2

V2: Following the final external review, the deliverable was corrected according to the recommendations.

This report presents a summary of how the ATMO-ACCESS Virtual Access (VA) Portal has been used and received since its launch in March 2023. Covering usage statistics and user feedback up to August 2025, it explores how users engage with the ATMO-ACCESS online services — from the ATMO-ACCESS Homeless Data Portal, the Time Series Analysis, three different Trajectory and Footprint analysis tools, to the Massive Open Online Course (MOOC), several training tutorials and a serious game. Each of the Research Infrastructures (RIs) in ATMO-ACCESS are responsible for different trajectory and footprint services depending on components and observation platforms, namely Greenhouse Gases (ICOS), Tropospheric vertical gradients (IAGOS) and Aerosol distribution and source analysis (ACTRIS).