The invention belongs to the technical field of Internet of Things analysis, and in particular relates to a scene intelligent analysis system and method on the basis of metropolitan area level Internet of Things (LoT) perceptual data. The scene intelligent analysis system based on the metropolitan area level LoT perceptual data comprises a metropolitan area level IoT perceptual layer, a metropolitan area level IoT network layer, a metropolitan area level IoT data layer, and a metropolitan area level IoT application layer. In the scene intelligent analysis system and method based on the metropolitan area level IoT perceptual data, data are collected using multiple types of LoT in a metropolitan area level space and are abstracted in multi-scale, such as comparing the scale of the entire urban area with a macroscopic view, and comparing the scale of a certain part of the urban area with a microscopic view; and various factors are used to perform pattern recognition analysis of the scene, wherein a multi-parameter model analysis can be performed by integrating air particulate matter status, pollution source discharge status, wind direction and wind speed, urban traffic conditions, etc., and decisions can be made using artificial intelligence.
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