1. A hearing system ( 1 ) comprising at least one hearing device ( 11 , 12 ) with: an input transducer ( 20 ); an output transducer ( 40 ); and a processing unit ( 30 ) operatively connected to the input transducer ( 20 ) as well as to the output transducer ( 40 ); characterised in that the hearing system ( 1 ) further comprises: a first means ( 50 ) for determining from a signal of the input transducer ( 20 ) at least one parameter ( 60 ) representative of a current acoustic environment at a current location; and a second means for indicating to a user of the hearing system ( 1 ) a degree of suitability of the current location to achieve satisfactory hearing performance based on the at least one parameter ( 60 ).