The parameters of air station standard 6 are SO2, NO2, O3, CO, PM 10 and PM2.5. The automatic monitoring system of ambient air quality combines a variety of monitoring technologies and instruments, which can automatically monitor SO2, NO2, O3, CO, PM 10 and PM2.5, and is supplemented by five meteorological parameters, calibration units and data collectors to form a complete system, so as to ensure the accuracy and effectiveness of monitoring data and meet the requirements of monitoring and evaluation.