- Relative humidity is the ratio of how much water vapour is in the air to how much water vapour the air could potentially contain at a given temperature1. It is expressed as a percentage, from 0 to 100%2. Relative humidity varies with the temperature of the air: colder air can contain less vapour, and water will tend to condense out of the air more at lower temperatures1. Higher humidity reduces the effectiveness of sweating in cooling the body by reducing the rate of evaporation of moisture from the skin2.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.In other words, relative humidity is the ratio of how much water vapour is in the air to how much water vapour the air could potentially contain at a given temperature. It varies with the temperature of the air: colder air can contain less vapour, and water will tend to condense out of the air more at lower temperatures.en.wikipedia.org/wiki/HumidityWhen the humidity is low, the air can be said to be "not humid" or "dry." Higher humidity reduces the effectiveness of sweating in cooling the body by reducing the rate of evaporation of moisture from the skin. The term "relative humidity" is used to note the amount of humidity as a percent, from 0-100%.simple.wikipedia.org/wiki/Humidity
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See all on WikipediaRelative humidity, often expressed as a percentage, indicates a present state of absolute humidity relative to a maximum humidity given the same temperature. Specific humidity is the ratio of water vapor mass to total moist air parcel mass. Humidity plays an important role for surface life. See more
Humidity is the concentration of water vapor present in the air. Water vapor, the gaseous state of water, is generally invisible to the human eye. Humidity …
A device used to measure humidity of air is called a psychrometer or hygrometer. A humidistat is a humidity-triggered switch, often used to control a See more
The relative humidity of an air–water system is dependent not only on the temperature but also on the absolute pressure of the system of interest. This dependence is … See more
At 100% relative humidity, air is saturated and at its dew point: the water vapor pressure would permit neither evaporation of nearby liquid … See more
Absolute humidity
Absolute humidity is the total mass of water vapor present in a given volume or mass of air. It does not take temperature into consideration. Absolute humidity in …Humidity depends on water vaporization and condensation, which, in turn, mainly depends on temperature. Therefore, when applying more pressure to a gas …
Wikipedia text under CC-BY-SA license WebOct 19, 2023 · relative humidity. noun. ratio between the amount of water vapor in the air and the air's saturation point. Relative humidity is expressed as a percentage. …
WebOct 13, 2022 · Relative humidity is the degree of saturation of the air with water vapor relative to the temperature. Learn how to measure it, why it matters for your health and …
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