PM2.5 content detecting and filtering device for environmental pollution prevention and control

The utility model provides a PM2.5 content detecting and filtering device for environmental pollution prevention and control, and belongs to the technical field of PM2.5 content detecting and filtering devices. The PM2.5 content detecting and filtering device for environmental pollution prevention and control comprises a frame structure and a dust removal structure, the frame structure comprises a box body, a first suction fan, an air inlet pipe, an air outlet and a filter screen, the first suction fan is installed on one side of the box body, the two ends of the air inlet pipe are in butt joint communication with the first suction fan and the box body respectively, and the air outlet of the air inlet pipe is communicated with the dust removal structure. The filter screen is arranged in the box body, the air outlet is formed in one side of the box body in a penetrating mode, the dust removal structure comprises a servo motor, a ball screw pair, a screw nut pair, a dust removal rod, a rectangular funnel, a bru