March 16, 2018 The MetNO2 project team and stakeholders at CMI, Prague The Metrology for Nitrogen Dioxide project hosted its first stakeholder workshop at the Czech Metrology Institute in Prague, disseminating the project’s objectives and progress to our stakeholders. There was plenty of discussion between the project partners and stakeholders around how the MetNO2 project could provide impact. Stakeholders came from as far away as Japan, with representatives from ENVEA, TROPOS, WMO, FORCE, Picarro, FINE metrology and Takachiho in attendance. Following presentations on the MetNO2 project from the project partners Edgar Flores of BIPM gave a pre-recorded presentation discussing CCQM-K74.2018 10umol/mol NO2 in Nitrogen. Kjetil Torseth (NILU) then presented on WMO-GAW and EMEP perspectives on the MetNO2 project and how to maximise impact. The final presentation was given by Thierry Tonnelier (ENVEA), describing their work with NO2 as a European manufacturer of continuous environmental pollution analysis systems.