Atmospheric environment particulate pollutant detection device and cooperative processing method

The invention provides an atmospheric environment particulate pollutant detection device and a cooperative processing method, which are used for solving the problems that in the prior art, pollution of different particle sizes mutually affects the detection precision, and in the prior art, a pollutant transfer path cannot be confirmed. The invention provides an atmospheric environment particulate pollutant detection device which comprises a vertical air channel, a transverse air channel, an air inlet assembly, a detection assembly and a filtering assembly, the air inlet assembly comprises a central pipe and an outer sleeve, the lower end of the central pipe is of a horn mouth structure, the central pipe is sleeved with the outer sleeve, and the lower end of the outer sleeve is of a horn mouth structure; an interlayer space is formed by the outer wall of the central pipe and the inner wall of the outer sleeve, an auxiliary gas inlet is formed in the upper part of the interlayer space, an auxiliary gas outlet i