Monitoring in Cleanroom is the systematic monitoring and control of the environmental conditions in a Cleanroom, such as temperature, humidity, particle count, microbial load and pressure difference. The aim of monitoring is to ensure compliance with the specified cleanroom classes and to detect and rectify deviations at an early stage. Monitoring at Cleanroom is an important part of quality assurance and legal requirements in various industries, such as pharmaceuticals, biotechnology, medical technology and semiconductor manufacturing.