Highest clean ocean scores worldwide 2022, by select country

Leading scores of clean estuarine, coastal, and open ocean waters worldwide as of 2022, by selected country

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Release date

2023

Region

Worldwide

Survey time period

2022

Supplementary notes

The clean water index measures pollution by chemicals, excessive nutrients, human pathogens and trash in estuarine, coastal, and open ocean waters.
Clean waters target is 70 out of 100.
The reference point is that there should be zero pollution from chemicals, nutrient, human pathogens and trash. This goal score is higher when the pollution of estuarine, coastal, and open ocean waters is minimized. The goal score is lower when there are high levels of pollutants.
The publication date was not provided by the source. The date showed here is the date of data access.

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