enviscope GmbH delivers a newly developed instrument package for aerosol and gas-phase monitoring being installed on the so-called AERO-TRAM. The AERO-TRAM project is a co-operation between the Institute for Meteorology and Climate Research of the Karlsruhe Institute of Technology (KIT), the Verkehrsbetriebe Karlsruhe (VBK) and enviscope GmbH.