Unmanned aerial vehicles and methods for unmanned aerial vehicles are described in various aspects herein. In at least one aspect, an unmanned aerial vehicle (UAV) includes a cooling structure configured to dissipate heat, and an air channel configured to dissipate heat from the cooling structure via an airflow. The UAV also includes at least one fan configured to provide the airflow through the air channel, and one or more sensors configured to receive ambient condition information associated with an ambient condition in a vicinity of the UAV. The UAV further includes one or more processors configured to trigger a reduction of the airflow through the air channel based on the ambient condition information. The ambient condition information may include dust information indicating a dust pollution in the vicinity of the UAV. Additionally or alternatively, the ambient condition information may include weather information indicating rain in the vicinity of the UAV.