Air exhaust sampling device for atmospheric environment monitoring

The utility model discloses an air exhaust sampling device for atmospheric environment monitoring, and relates to the technical field of environment monitoring. The device comprises a gas collecting tank, a connecting block, a gas outlet and telescopic blocks, the connecting block is arranged in the center of the position below the gas collecting tank, the gas outlet is fixedly connected to the gas collecting tank on the vertical plane adjacent to the connecting block, and the telescopic blocks are movably connected to the side, away from the gas collecting tank, of the connecting block. Through the gas collection tank, the observation port, the connecting block, the miniature fan, the telescopic block and the fixed button, the problems that when a glass bottle or a plastic bag is used for sampling, the collection time is too long, the glass bottle or the plastic bag needs to be placed in the air for a long time, measured air indexes are different, and the gas collection bottle is used for naturally collectin