Environment monitoring instrument

The utility model relates to the technical field of environmental protection and discloses an environment monitoring instrument which comprises a connecting piece, an opening is formed in the bottom face of the connecting piece, a support body is arranged in the connecting piece, a circular notch is formed in the upper end of the support body, and a circular shaft is movably connected to the innerwall face in the circular notch. The left side of the circular shaft penetrates through the interior of the circular notch, an oval notch is formed in the lower end of the support body, the surface of the support body is sleeved with a front wall ring, and the three supports of the instrument are opened through connecting pieces, put down to make contact with the ground and support the instrumentsupport. The front wall ring of the support body is adjusted to a proper position through the positions of the adjusting bolt and the screw cap, the angular support is adjusted to a proper angle anda proper position through t