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The increasingly complex air pollution situation poses challenges to traditional methods for monitoring air pollution sources. The current environmental air **control point monitoring system has a limited number of monitoring points and is costly. The approach of using points to represent areas results in insufficient timeliness, preventing the achievement of precise control objectives; it also hinders the in-depth analysis of spatial and temporal dynamic trends, pollution reduction assessments, tracking of pollution sources, as well as the development of environmental early warning capabilities within monitoring systems. In accordance with the requirements set by the General Office of the State Council regarding the development of an ecological environment monitoring network, an environmental monitoring company has developed a compact, micro-scale environmental air monitoring system that is low-cost and capable of integrating multiple parameters, enabling high-density grid deployment. The grid monitoring system can cover the entire area, enabling air pollution monitoring with high spatial and temporal resolution. By leveraging big data analytics, it is possible to implement functions for tracking pollution sources, issuing early warnings, and making predictions, thereby providing more timely and effective decision-making support for environmental pollution control. Common gases monitored for air quality include CO2, hydrogen sulfide, etc. Carbon dioxide gas is a part of the atmosphere, accounting for 0.03%-0.04% of its total volume. It is abundant in nature and has various sources. At normal concentrations, carbon dioxide is non-toxic and can also be used in production and daily life. However, due to the increasing carbon dioxide emissions caused by human activities, the hazards resulting from rising concentrations have drawn society’s attention, and growing environmental awareness has led to an increased emphasis on monitoring the quality of various environments. The air monitoring system is equipped with an infrared CO2 sensor. In this infrared carbon dioxide sensor, the infrared radiation emitted by the light source passes through the measurement unit, where the gas to be analyzed is present. The main components of an NDIRCO2 sensor are an infrared light source, a measurement unit (or optical channel), a filter, and an infrared photodetector. Gongcai.com acts as an agent for a variety of carbon dioxide sensors. There is the British GSS high-speed response infrared carbon dioxide sensor (NDIR CO2 sensor) – SprintIR, which is suitable for applications where rapid changes in CO2 concentration need to be detected. There is also the infrared CO2 sensor ZG09. In addition, there are the British GSS 4-series high-range infrared CO2 sensors, MINIR/ExplorIR-M, as well as low-power infrared carbon dioxide sensors such as COZIR-W/ExplorIR-W.