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Last updated date: 24th Nov 2023
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# Explain relative humidity and the percentage of humidity?

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Hint: Humidity tells us about the precipitation. So, humidity is the amount of water vapours, i.e. the gaseous form of water present in the environment or air. It is actually invisible but can be felt based on the water or moisture content present in the air. The more the water concentration in the air, the more humid the air is and hence the more humidity in the environment.

$\% {\text{ Relative humidity = }}\dfrac{{{\text{Partial pressure of water vapour}}}}{{{\text{Vapour pressure }}}} \times 100$
As we learnt above, relative humidity tells us about the precipitation. So, as there is saturation to everything, so when air saturation occurs i.e. air holds the maximum amount of water vapour it can hold, then it has $100\%$ relative humidity or complete saturation. Now, this is the condition when precipitation occurs i.e. raining takes place.