Air - Absolute Humidity

Humidity is the quantity of water vapor present in air. It can be expressed as absolute, specific or a relative values.

Absolute humidity is the actual mass of water vapor - m_h20 - present in the air water vapor mixture.

• In SI-units the absolute humidity may be expressed in kilograms of water vapor (kg/m³, g/m³)
• In imperial units the absolute humidity may be expressed in lbs of water vapor (lbs/ft³, gr/ft³)
  

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