A system for automatically controlling air intake in a vehicle, comprising - information providing means externally from the vehicle, for collecting information concerning the presence of an airborne hazard with geographical extent and location in the vicinity of a transmitting means; - information analysis means provided externally from the vehicle for determining if the vehicle air intake is to be closed based on said information; - said transmitting means provided externally from the vehicle, comprising at least one transmitter having a transmit area arranged for transmittal of a wireless control signal based on said information, where said control signal is a close signal when said information analysis means has determined that the vehicle air intake is to be closed; and - a vehicle air intake control device provided in the vehicle, said device comprising - means for receiving said control signal, and - air intake means arranged for switching between an open mode and a closed mode in a vehicle compartment based on the reception of said control signal, wherein the air intake means is switched to the open mode based on the absence of the receiving control signal when the vehicle is outside of the transmit area of said transmitting means, and, wherein the air intake means is switched to the closed mode when the vehicle is within the transmit area of said transmitting means. - information providing means externally from the vehicle, for collecting information concerning the presence of an airborne hazard with geographical extent and location in the vicinity of a transmitting means; - information analysis means provided externally from the vehicle for determining if the vehicle air intake is to be closed based on said information; - said transmitting means provided externally from the vehicle, comprising at least one transmitter having a transmit area arranged for transmittal of a wireless control signal based on said information, where said control signal is a close signal when said information analysis means has determined that the vehicle air intake is to be closed; and - a vehicle air intake control device provided in the vehicle, said device comprising - means for receiving said control signal, and - air intake means arranged for switching between an open mode and a closed mode in a vehicle compartment based on the reception of said control signal, wherein the air intake means is switched to the open mode based on the absence of the receiving control signal when the vehicle is outside of the transmit area of said transmitting means, and, wherein the air intake means is switched to the closed mode when the vehicle is within the transmit area of said transmitting means. - means for receiving said control signal, and - air intake means arranged for switching between an open mode and a closed mode in a vehicle compartment based on the reception of said control signal, wherein the air intake means is switched to the open mode based on the absence of the receiving control signal when the vehicle is outside of the transmit area of said transmitting means, and, wherein the air intake means is switched to the closed mode when the vehicle is within the transmit area of said transmitting means.