Abstract: An interior ventilation system for a motor vehicle includes an air measurement chamber, into which outdoor air of the motor vehicle can be fed via an outside air supply line and vehicle interior air of the motor vehicle can be fed via an inside air supply line, air quality sensors for measuring a harmful-substance content in air located in the air measurement chamber, and a measurement air control unit, which is designed to selectively supply outdoor air and/or vehicle interior air to the air measurement chamber. A motor vehicle includes such an interior ventilation system.

Abstract: A filter apparatus for a motor vehicle is provided. The filter apparatus includes a delivery device, which is provided in addition to a ventilation system of the motor vehicle and can be operated independently of the ventilation system for drawing in and delivering air from the interior of the motor vehicle. The filter apparatus includes at least one filter element, through which can flow the air drawn in and delivered by the delivery device for filtering the air. The filter apparatus includes at least one outlet for introducing the air filtered by way of the filter element into the interior. The filter apparatus is designed to wirelessly receive at least one signal emitted by a terminal and to activate the delivery device based on the signal.

Abstract: A filter apparatus for a motor vehicle is provided. The filter apparatus includes a delivery device, which is provided in addition to a ventilation system of the motor vehicle and can be operated independently of the ventilation system for drawing in and delivering air from the interior of the motor vehicle. The filter apparatus includes at least one filter element, through which can flow the air drawn in and delivered by the delivery device for filtering the air. The filter apparatus includes at least one outlet for introducing the air filtered by way of the filter element into the interior. The filter apparatus is designed to wirelessly receive at least one signal emitted by a terminal and to activate the delivery device based on the signal.

Abstract: An interior ventilation system for a motor vehicle includes an air measurement chamber, into which outdoor air of the motor vehicle can be fed via an outside air supply line and vehicle interior air of the motor vehicle can be fed via an inside air supply line, air quality sensors for measuring a harmful-substance content in air located in the air measurement chamber, and a measurement air control unit, which is designed to selectively supply outdoor air and/or vehicle interior air to the air measurement chamber. A motor vehicle includes such an interior ventilation system.