Ground based in situ observations of ads_tube at Monte Cimone (IT0009R). These measurements are gathered as a part of the following projects CAMPAIGN, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: 2-methylpropenal in air (mass_concentration_of_2_methylpropenal_in_air), 2-oxopropanal in air (mass_concentration_of_2_oxopropanal_in_air), 3-buten-2-one in air (mass_concentration_of_3_buten_2_one_in_air), butanales in air (mass_concentration_of_sum_batanales_in_air), butanone in air (mass_concentration_of_butanone_in_air), ethanal in air (mass_concentration_of_ethanal_in_air), ethanedial in air (mass_concentration_of_ethanedial_in_air), methanal in air (mass_concentration_of_methanal_in_air), propanal in air (mass_concentration_of_propanal_in_air), propanone in air (mass_concentration_of_propanone_in_air)