The dry bulb temperature (DBT) of atmospheric humid air is \(30^{\circ}\text{C}\). The dew point temperature (DPT) is also \(30^{\circ}\text{C}\) and the humidity ratio is \(0.025\ \dfrac{\text{kg of water vapor}}{\text{kg of dry air}}\).
The relative humidity (RH) of the air is ______ %.