Chlorophyll-a anomaly, remote sensing in Guernsey
Guernsey: Chlorophyll-a anomaly, remote sensing was 0.2% in 2022. ◆ Volatile
Latest (2022)
0.2%
Change on year
down 40.6%
World rank
139th
of 204 countries
All-time high
0.6%
in 2020
All-time low
0.1%
in 2018
Years of data
5
2018–2022
Chlorophyll-a anomaly, remote sensing in Guernsey, 2018–2022
Source: United Nations Statistics Division, SDG Global Database. Measured in %.
Analysis
The most recent figure for chlorophyll-a anomaly, remote sensing in Guernsey is 0.2%, measured in 2022.
Compared with earlier readings it is down 40.6% on the previous year and up 298.7% over five years.
That places Guernsey 139th out of 204 countries with data for 2022, putting it in the middle of the range.
Chlorophyll-a anomaly, remote sensing in Guernsey, year by year
| Year | % | Change |
|---|---|---|
| 2018 | 0.1% | — |
| 2019 | 0.1% | +144.2% |
| 2020 | 0.6% | +370.2% |
| 2021 | 0.4% | -41.5% |
| 2022 | 0.2% | -40.6% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 0.1% | 0.1% | 0.1% | 2 |
| 2020s | 0.4% | 0.2% | 0.6% | 3 |
Countries ranked near Guernsey
More development goals data for Guernsey
- Red List Index 0.9474 index (2025)
- Change in maximum river flow 28.8% (2024)
- Change in minimum river flow -2.2% (2024)
- River flow maximum 3.16 m3 per sec (2024)
- River flow minimum 0.0285 m3 per sec (2024)
- Chlorophyll-a deviations, remote sensing 0.5% (2022)
- Annual mean levels of fine particulate matter (population-weighted) 8.3 µg/m³ (2023)
- Prevalence of hepatitis B surface antigen (HBsAg), 2026 methodology 0.0% (2024)
- Countries with death registration data that are at least 75 percent 1 (2024)
- Land area 6.35 ha th (2025)
Frequently asked questions
- What is chlorophyll-a anomaly, remote sensing in Guernsey?
- Chlorophyll-a anomaly, remote sensing in Guernsey was 0.2% in 2022, according to United Nations Statistics Division, SDG Global Database.
- What is the highest chlorophyll-a anomaly, remote sensing recorded in Guernsey?
- The highest recorded value was 0.6% in 2020.
- What is the lowest chlorophyll-a anomaly, remote sensing recorded in Guernsey?
- The lowest recorded value was 0.1% in 2018.
- How does Guernsey rank for chlorophyll-a anomaly, remote sensing?
- Guernsey ranks 139th out of 204 countries with data for 2022.
- Where does this Guernsey data come from?
- The figures come from United Nations Statistics Division, SDG Global Database, published as part of Chlorophyll-a anomaly, remote sensing (%). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 5 observations, free to reuse under UN SDG Global Database (open, attribution requested).