The present disclosure relates to a cleaning system comprising: a user-operated cleaning apparatus having at least one cleaning tool for directly or indirectly acting on an object to be cleaned; a controllable output unit; and a data-processing unit, wherein at least one operating parameter of the cleaning apparatus during operation, a noise occurring during operation, and/or a vibration occurring during operation can be detected, and related operating information is provided to the data-processing unit, wherein the data-processing unit comprises or forms an AI module, wherein the AI module analyzes the operating information in order to determine whether the operating information is indicative of soiling of the object to be cleaned, and wherein the AI module provides the user with cleaning-related assistance via the output unit to assist in removing the soiling. The disclosure also relates to a method.