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www.reference.com/article/good-humidity-level-e83cd30306a1ff82

People are most comfortable whenever the relative humidity level is around 45 percent says HowStuffWorks. A level of 100 percent humidity means that the air is saturated with water vapor and unable to hold more. When this happens, perspiration cannot evaporate into the air, making people feel hotter

www.reference.com/science/considered-high-humidity-7dd39f0f52da85aa

High humidity is generally regarded as the dew point temperature being at or only a few degrees below the measured air temperature. Dew point is the temperature at which water vapor condenses on surfaces, such as when morning dew condenses on grass.

www.reference.com/article/measure-humidity-bbbac76b8e95f9ea

Humidity can be measured by using a hygrometer. Types of hygrometers include the basic psychrometer, an electrical impedance hygrometer useful for remote locations, the condensation principle hygrometer and mechanical hygrometers.

www.reference.com/article/use-measure-humidity-a26a8091b467fd51

There are different tools available to help measure humidity, including a hygrometer, a hygrograph and a sling psychrometer. Each separate tool that measures humidity does so on a different scale.

www.reference.com/article/definition-relative-humidity-42ff44ff0918c743

Relative humidity is defined as the amount of atmospheric moisture present, divided by the amount of moisture that would be present if the air were completely saturated. This ratio is typically expressed as a percentage. Since the amount of moisture the atmosphere can hold is dependent on temperatur

www.reference.com/article/remove-humidity-bbb53e812b7f5ad0

Humidity in a home causes discomfort for occupants. If the levels are too high, the moisture encourages the growth of mold. Keeping humidity in the recommended 30 to 60 percent range requires a multi-step approach that includes venting, using HVAC systems and a dehumidifier.

www.reference.com/article/good-humidity-level-home-91c98c92798825d4

Humidity levels inside a home should not exceed 30 percent in the winter or 55 percent in the summer, according to Home Energy Resource MN. The company provides a specific chart for different temperature levels.

www.reference.com/science/considered-low-humidity-35c47c0c6cedcb3

Any humidity of 30 percent or less is considered low and can be dangerous. Low humidity can cause breathing difficulties, discomfort and may damage a home's foundation.

www.reference.com/article/normal-humidity-house-922545a12f9380d

Normal humidity within a home should typically stay between 35 and 45 percent, depending on local temperature and climate. Various methods exist that help to either bring it down or up as needed.

www.reference.com/article/correct-humidity-home-4394b91dc9b1f412

Most homes should maintain a relative humidity below 50 percent at all times. This prevents mold and mildew growth, dust mite infestations, and condensation from building up in your home.