An air pollution control device (DD) equips a vehicle (V) comprising a cockpit (H), navigation means (MN) arranged to determine a route starting at a chosen departure time according to map and data data. traffic information, and communication means (MCN) adapted to connect to a communication network (RC). This device (DD) comprises search means (MR) arranged to determine data representative of the quality of the outside air on the route via the communication means (MCN), and control means (MCT) arranged for determine and control a clearance strategy for the cabin air (H) on the route based on the determined outdoor air quality data and map and traffic information data for that route.
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