This product updates the monitoring data in the region in real time, and regularly evaluates the air quality in the jurisdiction by linking and analyzing regional monitoring data, geographic information, meteorological information and other data. By monitoring the components of air pollutants and analyzing their sources, it evaluates the main reasons affecting the air quality in the jurisdiction during this period, provides accurate data support for precise pollution control and scientific haze control in the region, and provides decision-making support for the implementation of management measures by relevant departments.