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Difference between Humidity, Absolute Humidity & Relative Humidity?

Table of Contents

Humidity

Humidity is the quantity of water vapour present in the atmosphere.

Absolute Humidity

Absolute humidity is the mass of water vapour

contained in a sample of air. It is usually expressed in grams per cubic metre (gm/m3)

Relative Humidity

Relative humidity is the percentage ratio of the

actual water vapour contained in a given sample of air, to the maximum quantity of water vapour that the sample can hold at that temperature

RH % = (Present quantity of water vapour ÷ Max. possible at that temperature) X 100

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