A device (D1-Dn) for measuring and monitoring a domestic environment, comprising: a plurality of sensors (SD11-Snm) for measuring local environmental parameters relevant for the value of an environmental quality factor (FQP1-FQPn) of the domestic environment being monitored; receiving means (MODEM) arranged to receive via a telecommunication network from a remote source (INFO) remote data associated to the local environmental quality factor (FQP1-FQPn) and constituted by contents present on the Internet as medical and environmental data, data from other sensor networks, data from the web and from social networks; control means arranged to control the current conditions of the domestic environment monitored that interfere with the local environmental parameters measured; and a first programmable electronic processing unit, operatively connected to said sensors (SD11-SDnm), to said receiving means (MODEM) and to said control means and arranged to receive repeatedly in time measurement data of the local parameters, remote data associated to the factor and data regarding the current local environmental conditions, the unit being moreover programmed for processing dynamically, by means of an adaptive algorithm, a current value of the factor on the basis of the local-measurement data, of the remote data associated to the factor, and of the current local environmental conditions, wherein said sensors (SD11-SDnm) are integrated in a single electronic card operatively connected to said processing unit, and comprise sensors arranged to detect electromagnetic fields of from 100 kHz to 3 GHz, low-frequency electromagnetic fields, radon, water composition, fine dust, CO 2, and noise. a plurality of sensors (SD11-Snm) for measuring local environmental parameters relevant for the value of an environmental quality factor (FQP1-FQPn) of the domestic environment being monitored; receiving means (MODEM) arranged to receive via a telecommunication network from a remote source (INFO) remote data associated to the local environmental quality factor (FQP1-FQPn) and constituted by contents present on the Internet as medical and environmental data, data from other sensor networks, data from the web and from social networks; control means arranged to control the current conditions of the domestic environment monitored that interfere with the local environmental parameters measured; and a first programmable electronic processing unit, operatively connected to said sensors (SD11-SDnm), to said receiving means (MODEM) and to said control means and arranged to receive repeatedly in time measurement data of the local parameters, remote data associated to the factor and data regarding the current local environmental conditions, the unit being moreover programmed for processing dynamically, by means of an adaptive algorithm, a current value of the factor on the basis of the local-measurement data, of the remote data associated to the factor, and of the current local environmental conditions, wherein said sensors (SD11-SDnm) are integrated in a single electronic card operatively connected to said processing unit, and comprise sensors arranged to detect electromagnetic fields of from 100 kHz to 3 GHz, low-frequency electromagnetic fields, radon, water composition, fine dust, CO 2, and noise.