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[ Focus on Chemical Machinery and Equipment Network ] Recently, due to the sudden impact of strong sand and dust weather in China in the past ten years, the air quality of many cities in northern China has been seriously polluted.
The air quality index of many cities such as Beijing, Zhangjiakou, Datong, Baotou, Yinchuan, etc.
Burst the watch".
Chemical machinery and equipment network hotspots pay attention to chemical machinery and equipmentThe air quality index of many cities such as Beijing, Zhangjiakou, Datong, Baotou, Yinchuan, etc.
Burst the watch".
The China Environmental Monitoring Center showed that at 7 o'clock on March 15th, Beijing, Tianjin, Datong, Hohhot, Chifeng, Ordos, Yinchuan, Jinchang, Jiayuguan, Wuwei and other cities had severe or above air pollution.
The air quality index of 24 cities including Baotou reached or exceeded 500, and the primary pollutants were inhalable particulate matter (PM10) and fine particulate matter (PM2.
5).
The air quality index of 24 cities including Baotou reached or exceeded 500, and the primary pollutants were inhalable particulate matter (PM10) and fine particulate matter (PM2.
5).
In the air test, the high value of the air quality index is set to 500, and the value exceeding 500 is "explosive meter".
Increasingly complex air pollution conditions are challenging the traditional air pollution source monitoring methods.
The currently implemented environmental air national control point monitoring system has a limited number of monitoring points and high costs.
The point-to-face method has led to insufficient timeliness and cannot reach The goal of refined management and control, and can not achieve in-depth exploration of the monitoring system's temporal and spatial dynamic trend analysis, pollution reduction assessment, pollution source tracking, environmental early warning and forecasting capabilities.
The currently implemented environmental air national control point monitoring system has a limited number of monitoring points and high costs.
The point-to-face method has led to insufficient timeliness and cannot reach The goal of refined management and control, and can not achieve in-depth exploration of the monitoring system's temporal and spatial dynamic trend analysis, pollution reduction assessment, pollution source tracking, environmental early warning and forecasting capabilities.
According to the requirements of the National Environment Office on the construction of ecological environment monitoring network, the main focus is to build a smart city grid environment monitoring system to achieve full coverage in the region, achieve high-temporal resolution air pollution monitoring, and combine the application of informationized big data Realize pollution source tracking, early warning and forecasting functions, and provide more timely and effective decision-making support for environmental pollution prevention and control.
The urban air grid monitoring system, as the name implies, is to delineate the air pollution prevention and control management grid in the city with districts, streets, towns, and communities (villages) as the unit.
The large-scale, high-density distribution of points can be used for regional grids.
Full coverage, real-time understanding of pollution sources, objective and true reflection of pollution status, comprehensive analysis of pollution causes.
The large-scale, high-density distribution of points can be used for regional grids.
Full coverage, real-time understanding of pollution sources, objective and true reflection of pollution status, comprehensive analysis of pollution causes.
The urban atmospheric grid monitoring system can realize multi-dimensional integrated monitoring and management of the urban regional environment.
It is not only used to monitor the concentration of PM2.
5, PM10, TSP and other particulate matter in the atmospheric environment, but also can realize environmental monitoring, measuring noise, wind speed, and wind direction.
, Temperature and humidity, atmospheric pressure, sulfur dioxide, nitrogen dioxide, ozone, carbon monoxide and other environmental data.
It is not only used to monitor the concentration of PM2.
5, PM10, TSP and other particulate matter in the atmospheric environment, but also can realize environmental monitoring, measuring noise, wind speed, and wind direction.
, Temperature and humidity, atmospheric pressure, sulfur dioxide, nitrogen dioxide, ozone, carbon monoxide and other environmental data.
In addition, through the online management platform, a warning value is set for different types of air pollutant monitoring data.
When the monitoring data exceeds the set value and continues to exceed the set time, the system will automatically forward the alarm information to the responsible supervisor.
Supervisors immediately took action on the environmental scene.
When the monitoring data exceeds the set value and continues to exceed the set time, the system will automatically forward the alarm information to the responsible supervisor.
Supervisors immediately took action on the environmental scene.
In order to deal with the transit pollution of sand and dust, various places have adopted technological means such as online dust monitoring and power monitoring to strengthen the supervision of key polluting enterprises in heavily polluted weather, severely investigate and punish the suspension of pollution control facilities by enterprises, and strictly investigate acts such as illegal discharge and leakage.
Original title: Air quality index "bursts" grid environment monitoring system "escort" data
