Relative humidity

{
  "id": "MLC-T-CHM-010144",
  "term": "Relative humidity",
  "field": "Chemistry",
  "definition": "The ratio of the partial pressure of water vapor in the air to the saturation vapor pressure of water at the same temperature and pressure. It is expressed as a percentage and indicates the degree of saturation of the air with water vapor. A relative humidity of 100% signifies saturated air, where condensation can occur.",
  "subject": "Chemistry and the Environment",
  "see_also": [
    "saturation vapour pressure"
  ],
  "references": [
    "PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2210 (https://doi.org/10.1351/pac199062112167)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/relative-humidity/"
}