Biochemical oxygen demand in rivers in Slovenia
Slovenia: Biochemical oxygen demand in rivers was 0.83 Milligrams per litre in 2023. ▼ Falling
Latest (2023)
0.83 Milligrams per litre
Change on year
unchanged
World rank
27th
of 28 countries
All-time high
1.61 Milligrams per litre
in 2007
All-time low
0.81 Milligrams per litre
in 2017
Years of data
17
2007–2023
Biochemical oxygen demand in rivers in Slovenia, 2007–2023
Source: Eurostat. Measured in Milligrams per litre.
Analysis
Slovenia recorded 0.83 Milligrams per litre for biochemical oxygen demand in rivers in 2023.
That represents a change of down 8.8% over ten years.
Over the whole period, biochemical oxygen demand in rivers in Slovenia peaked at 1.61 Milligrams per litre in 2007 and was at its lowest, 0.81 Milligrams per litre, in 2017.
That places Slovenia 27th out of 28 countries with data for 2023, putting it in the bottom quarter.
The long-run direction has been consistently falling across the 17 years of available data.
Biochemical oxygen demand in rivers in Slovenia, year by year
| Year | Milligrams per litre | Change |
|---|---|---|
| 2007 | 1.61 Milligrams per litre | — |
| 2008 | 1.42 Milligrams per litre | -11.8% |
| 2009 | 1.26 Milligrams per litre | -11.3% |
| 2010 | 1.14 Milligrams per litre | -9.5% |
| 2011 | 1.04 Milligrams per litre | -8.8% |
| 2012 | 0.96 Milligrams per litre | -7.7% |
| 2013 | 0.91 Milligrams per litre | -5.2% |
| 2014 | 0.86 Milligrams per litre | -5.5% |
| 2015 | 0.84 Milligrams per litre | -2.3% |
| 2016 | 0.82 Milligrams per litre | -2.4% |
| 2017 | 0.81 Milligrams per litre | -1.2% |
| 2018 | 0.81 Milligrams per litre | +0.0% |
| 2019 | 0.81 Milligrams per litre | +0.0% |
| 2020 | 0.82 Milligrams per litre | +1.2% |
| 2021 | 0.82 Milligrams per litre | +0.0% |
| 2022 | 0.83 Milligrams per litre | +1.2% |
| 2023 | 0.83 Milligrams per litre | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 1.43 Milligrams per litre | 1.26 Milligrams per litre | 1.61 Milligrams per litre | 3 |
| 2010s | 0.9 Milligrams per litre | 0.81 Milligrams per litre | 1.14 Milligrams per litre | 10 |
| 2020s | 0.825 Milligrams per litre | 0.82 Milligrams per litre | 0.83 Milligrams per litre | 4 |
Countries ranked near Slovenia
More reference data data for Slovenia
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- Exposure to extreme temperature — Annual temperature change 1.75 Degrees celsius (2023)
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- Cooling and heating degree days by NUTS 2 regions - monthly data 476.04 Number (2025)
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Frequently asked questions
- What is biochemical oxygen demand in rivers in Slovenia?
- Biochemical oxygen demand in rivers in Slovenia was 0.83 Milligrams per litre in 2023, according to Eurostat.
- What is the highest biochemical oxygen demand in rivers recorded in Slovenia?
- The highest recorded value was 1.61 Milligrams per litre in 2007.
- What is the lowest biochemical oxygen demand in rivers recorded in Slovenia?
- The lowest recorded value was 0.81 Milligrams per litre in 2017.
- How does Slovenia rank for biochemical oxygen demand in rivers?
- Slovenia ranks 27th out of 28 countries with data for 2023.
- Is biochemical oxygen demand in rivers rising or falling in Slovenia?
- Over the last ten years it is down 8.8%. The long-run trend across the full record is falling.
- Where does this Slovenia data come from?
- The figures come from Eurostat, published as part of Biochemical oxygen demand in rivers. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 17 observations, free to reuse under CC BY 4.0 (Eurostat).