A roof module for forming a vehicle roof on a motor vehicle, the roof module having a panel component whose outer surface at least partially forms the roof skin of the vehicle roof, the roof module having at least one environment sensor configured to send and/or receive electromagnetic signals for detecting the vehicle surroundings. The environment sensor can be disposed below the roof skin formed by the panel component, the roof module having at least one support module, and at least two environment sensors being jointly mounted on the support module.