Chlorophyll-a deviation from the global average in Cook Islands
Cook Islands: Chlorophyll-a deviation from the global average was 0.1% in 2022. ◆ Volatile
Chlorophyll-a deviation from the global average in Cook Islands, 2005–2022
Source: UN Statistics Division – processed by Our World in Data. Measured in %.
Analysis
Cook Islands recorded 0.1% for chlorophyll-a deviation from the global average in 2022.
The figure is up 33.3% on the previous year and down 82.4% over ten years.
Over the whole period, chlorophyll-a deviation from the global average in Cook Islands peaked at 5.6% in 2011 and was at its lowest, 0.0%, in 2017.
That places Cook Islands 159th out of 193 countries with data for 2022, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0.6% | 0.1% | 2.6% | 5 |
| 2010s | 0.7% | 0.0% | 5.6% | 10 |
| 2020s | 0.1% | 0.0% | 0.1% | 3 |
Countries ranked near Cook Islands
More reference data data for Cook Islands
- Summer temperature anomalies -0.6719 °C (2026)
- Spring temperature anomalies 0.5654 °C (2026)
- Temperature anomalies by month 0.3984 °C (2026)
- Annual precipitation 1,504 millimeters (2025)
- Autumn temperature anomalies -0.156 °C (2025)
- Winter temperature anomalies -0.1015 °C (2025)
- Precipitation anomalies -153.83 millimeters (2025)
- Share of adults who are overweight or obese 90.0% (2024)
- Share of adults who are obese 72.4% (2024)
- Number of child deaths per woman 0.0318 under-five deaths per woman (2021)
Frequently asked questions
- What is chlorophyll-a deviation from the global average in Cook Islands?
- Chlorophyll-a deviation from the global average in Cook Islands was 0.1% in 2022, according to UN Statistics Division – processed by Our World in Data.
- What is the highest chlorophyll-a deviation from the global average recorded in Cook Islands?
- The highest recorded value was 5.6% in 2011.
- What is the lowest chlorophyll-a deviation from the global average recorded in Cook Islands?
- The lowest recorded value was 0.0% in 2017.
- How does Cook Islands rank for chlorophyll-a deviation from the global average?
- Cook Islands ranks 159th out of 193 countries with data for 2022.
- Is chlorophyll-a deviation from the global average rising or falling in Cook Islands?
- Over the last ten years it is down 82.4%. The long-run trend across the full record is volatile.
- Where does this Cook Islands data come from?
- The figures come from UN Statistics Division – processed by Our World in Data, published as part of Chlorophyll-a deviation from the global average. Statizoid updates them automatically from the source API.
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CSV · JSON — 18 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Chlorophyll-a deviations, remote sensing (%)