Procedure designed to monitor an automation system used in automation engineering, wherein said procedure is designed to perform a process, wherein the automation system comprises at least the following elements: - several field devices (101-105) that are distributed around the automation system and that each have at least a sensor or actuator element and at least an environmental sensor element , wherein the at least one sensor or actuator element is designed to measure and/or set a process-dependent primary process variable (F, p, T, R, D) and wherein the at least one environmental sensor element is designed to measure a secondary environmental variable (201-205), - at least a higher-level process control unit to control the process, wherein, to control the process, the process control unit is in connection with the several field devices (101-105) in a manner that transmits data in such a way that at least the primary process variable (F, p, T, R, D) can be communicated between the process control unit and the several field devices (101-105) in order to control the process, wherein said procedure comprises at least the following steps: - Transmission of the measured secondary environmental variables (201-205), wherein the measured environmental variable (201-205) is transmitted by at least some of the several field devices to a higher-level database and analysis platform , particularly a cloud computing-based platform; - Monitoring of the automation system by the database and analysis platform , wherein, for the purpose of monitoring the automation system , the database and analysis platform compares the measured and transmitted secondary environmental variables (201-205) with the environmental comparative variables (211-215) that represent a normal condition of the automation system in order to detect an unusual condition in the automation system . - several field devices (101-105) that are distributed around the automation system and that each have at least a sensor or actuator element and at least an environmental sensor element , wherein the at least one sensor or actuator element is designed to measure and/or set a process-dependent primary process variable (F, p, T, R, D) and wherein the at least one environmental sensor element is designed to measure a secondary environmental variable (201-205), - at least a higher-level process control unit to control the process, wherein, to control the process, the process control unit is in connection with the several field devices (101-105) in a manner that transmits data in such a way that at least the primary process variable (F, p, T, R, D) can be communicated between the process control unit and the several field devices (101-105) in order to control the process, - Transmission of the measured secondary environmental variables (201-205), wherein the measured environmental variable (201-205) is transmitted by at least some of the several field devices to a higher-level database and analysis platform , particularly a cloud computing-based platform; - Monitoring of the automation system by the database and analysis platform , wherein, for the purpose of monitoring the automation system , the database and analysis platform compares the measured and transmitted secondary environmental variables (201-205) with the environmental comparative variables (211-215) that represent a normal condition of the automation system in order to detect an unusual condition in the automation system . <EOS>