An air spring (100) for a vehicle is provided. The air spring comprises a first mounting element (110) for being fixed to a vehicle's chassis (210), a second mounting element (120) for being fixed to a movable part (220) of a vehicle being movable with respect to the chassis, a bellow (130) extending from the first mounting element to the second mounting element and including an air volume (140), and a sensor arrangement (150) being arranged within the air volume. The sensor arrangement is adapted for sensing at least one of a road condition, a vehicle condition and a pay load condition.