The system consists of particle monitoring system, noise monitoring system, meteorological monitoring system, video monitoring system, wireless transmission system, power supply system, background data processing system and cloud information monitoring and management platform. The monitoring sub-station integrates various functions such as atmospheric PM2.5, PM10 monitoring, ambient temperature, humidity and wind speed and direction monitoring, noise monitoring, video monitoring and video capture of excessive pollutants (optional), toxic and harmful gas monitoring (optional); The data platform is a networked platform with an Internet architecture, which has the functions of monitoring each sub-station and data alarm processing, recording, query, statistics, report output and other functions.