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Share of water bodies with good ambient water quality, 2023

Water quality is assessed by means of core physical and chemical parameters that reflect natural water quality. Awater body is classified as "good" quality if at least 80% of monitoring values meet target quality levels.

Africa (UN)Africa (UN)72.9%77.5%80.8%78.8%River waterOpen waterGroundwaterAll water bodiesAsia (UN)Asia (UN)72%79.1%87.1%77.7%River waterOpen waterGroundwaterAll water bodiesEurope (UN)Europe (UN)46.6%51.3%77.6%51.4%River waterOpen waterGroundwaterAll water bodiesLatin America and the Caribbe…Latin America and the Caribbean (UN)56.6%49.1%72.3%57.4%River waterOpen waterGroundwaterAll water bodiesNorthern America (UN)Northern America (UN)41.4%45.6%42.9%River waterOpen waterAll water bodiesOceania (UN)Oceania (UN)82.9%54.1%82.4%81.6%River waterOpen waterGroundwaterAll water bodies

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Share of water bodies with good ambient water quality

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