Air detection device for indoor building materials

An indoor building material air detection device disclosed by the present invention comprises a base, a driving device, an air collection device, a compression device, a weighing device and a power supplement device, the base comprises an upper platform and a lower platform, the driving device comprises a chute shaft, a guide shaft and a sliding device, the chute shaft and the guide shaft are arranged on the upper platform, and the sliding device is arranged on the lower platform. The sliding device is arranged on the sliding groove shaft and the guide shaft in a sliding mode, a guide sliding pin is arranged in the sliding plate and matched with the sliding groove shaft, and when the sliding groove shaft rotates, the sliding plate can slide up and down. According to the air detection device for the indoor building materials, the content of PM2.5 in air is obtained by extracting air at different positions in a room, filtering the air through the filter paper and weighing the mass before and after the filter pa