Biochemical oxygen demand in rivers in Czechia
Czechia: Biochemical oxygen demand in rivers was 2.51 Milligrams per litre in 2023. ▼ Falling
Latest (2023)
2.51 Milligrams per litre
Change on year
down 2.0%
World rank
6th
of 28 countries
All-time high
3.12 Milligrams per litre
in 2007
All-time low
2.51 Milligrams per litre
in 2023
Years of data
17
2007–2023
Biochemical oxygen demand in rivers in Czechia, 2007–2023
Source: Eurostat. Measured in Milligrams per litre.
Analysis
The most recent figure for biochemical oxygen demand in rivers in Czechia is 2.51 Milligrams per litre, measured in 2023. That is the lowest value across all 17 years on record.
The figure is down 2.0% on the previous year and down 12.8% over ten years.
Over the whole period, biochemical oxygen demand in rivers in Czechia peaked at 3.12 Milligrams per litre in 2007 and was at its lowest, 2.51 Milligrams per litre, in 2023.
Czechia ranks 6th of 28 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 17 years of available data.
Biochemical oxygen demand in rivers in Czechia, year by year
| Year | Milligrams per litre | Change |
|---|---|---|
| 2007 | 3.12 Milligrams per litre | — |
| 2008 | 3.09 Milligrams per litre | -1.0% |
| 2009 | 3.06 Milligrams per litre | -1.0% |
| 2010 | 3.01 Milligrams per litre | -1.6% |
| 2011 | 2.97 Milligrams per litre | -1.3% |
| 2012 | 2.92 Milligrams per litre | -1.7% |
| 2013 | 2.88 Milligrams per litre | -1.4% |
| 2014 | 2.85 Milligrams per litre | -1.0% |
| 2015 | 2.82 Milligrams per litre | -1.1% |
| 2016 | 2.8 Milligrams per litre | -0.7% |
| 2017 | 2.77 Milligrams per litre | -1.1% |
| 2018 | 2.74 Milligrams per litre | -1.1% |
| 2019 | 2.7 Milligrams per litre | -1.5% |
| 2020 | 2.66 Milligrams per litre | -1.5% |
| 2021 | 2.61 Milligrams per litre | -1.9% |
| 2022 | 2.56 Milligrams per litre | -1.9% |
| 2023 | 2.51 Milligrams per litre | -2.0% |
Czechia compared with similar countries
- Czechia's 2.51 Milligrams per litre is above the median for Europe & Central Asia, which is 1.93 Milligrams per litre, 1.3× the median. (20 countries reporting)
- Czechia's 2.51 Milligrams per litre is above the median for high income countries, which is 1.93 Milligrams per litre, 1.3× the median. (19 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 3.09 Milligrams per litre | 3.06 Milligrams per litre | 3.12 Milligrams per litre | 3 |
| 2010s | 2.85 Milligrams per litre | 2.7 Milligrams per litre | 3.01 Milligrams per litre | 10 |
| 2020s | 2.58 Milligrams per litre | 2.51 Milligrams per litre | 2.66 Milligrams per litre | 4 |
Countries ranked near Czechia
More reference data data for Czechia
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.5039 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.1071 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 2.08 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.3319 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 2.08 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 1.69 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 1.11 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.5681 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 9.83 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 1.81 (2050)
Frequently asked questions
- What is biochemical oxygen demand in rivers in Czechia?
- Biochemical oxygen demand in rivers in Czechia was 2.51 Milligrams per litre in 2023, according to Eurostat.
- What is the highest biochemical oxygen demand in rivers recorded in Czechia?
- The highest recorded value was 3.12 Milligrams per litre in 2007.
- What is the lowest biochemical oxygen demand in rivers recorded in Czechia?
- The lowest recorded value was 2.51 Milligrams per litre in 2023.
- How does Czechia rank for biochemical oxygen demand in rivers?
- Czechia ranks 6th out of 28 countries with data for 2023.
- Is biochemical oxygen demand in rivers rising or falling in Czechia?
- Over the last ten years it is down 12.8%. The long-run trend across the full record is falling.
- Where does this Czechia 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).