Grams per cubic meter (g/m³) is a unit of measurement that expresses the density of a substance, specifically the mass of a substance contained in one cubic meter of volume. This term is especially significant in atmospheric science when measuring the concentration of water vapor in the air, as it helps quantify humidity levels and indicates how much moisture is present in a given volume of air. Understanding g/m³ is essential for interpreting weather patterns and predicting atmospheric behavior.
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