An air vent device for a window comprising a first end section having a first end connector and a second end section having a second end connector. The second end section is a mirror image of the first end section. A central section has a plurality of louvered openings with a first end of the central section connecting with one of the first and second end connector. A second end of the central section has a central connector for connection with the other of the first and second end connector. The sections are affixed to the exterior surface of the structure to overlay a portion of the window for providing ventilation through the plurality of louvered openings for the structure when the window is partially opened and with the plurality of louvered openings providing protection from precipitation entering the structure through the partially opened window.
