What is relative humidity of air filled to half its capacity?

The amount of water vapor in air compared with its capacity is relative humidity. The relative humidity of air that is saturated, or filled to its capacity, is 100 percent. Air is usually not filled to capacity. It may be filled to half its capacity or 50% relative humidity.

The amount of water vapor in air compared with its capacity is relative humidity. The relative humidity of air that is saturated, or filled to its capacity, is 100 percent. Air is usually not filled to capacity. It may be filled to half its capacity or 50% relative humidity.