Ground based in situ observations of levoglucosan at Observatoire Perenne de l'Environnement (FR0022R) using high_vol_sampler. These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: levoglucosan in pm10 (mass_concentration_of_levoglucosan_in_pm10_in_air)