Average ammonium concentration in freshwater in Italy
Italy: Average ammonium concentration in freshwater was 0.1249 milligrams per liter in 2021. ◆ Volatile
Average ammonium concentration in freshwater in Italy, 2001–2021
Source: European Environment Agency (2023) – with minor processing by Our World in Data. Measured in milligrams per liter.
Analysis
Italy recorded 0.1249 milligrams per liter for average ammonium concentration in freshwater in 2021.
Compared with earlier readings it is down 5.3% on the previous year and down 5.5% over ten years.
Over the whole period, average ammonium concentration in freshwater in Italy peaked at 8.74 milligrams per liter in 2014 and was at its lowest, 0.1033 milligrams per liter, in 2009.
That places Italy 8th out of 32 countries with data for 2021, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Average ammonium concentration in freshwater in Italy, year by year
| Year | milligrams per liter | Change |
|---|---|---|
| 2001 | 5.85 milligrams per liter | — |
| 2002 | 0.2155 milligrams per liter | -96.3% |
| 2003 | 0.1367 milligrams per liter | -36.6% |
| 2004 | 0.1367 milligrams per liter | +0.0% |
| 2005 | 0.1197 milligrams per liter | -12.4% |
| 2006 | 0.1057 milligrams per liter | -11.7% |
| 2007 | 0.12 milligrams per liter | +13.5% |
| 2008 | 0.1055 milligrams per liter | -12.1% |
| 2009 | 0.1033 milligrams per liter | -2.1% |
| 2010 | 0.1146 milligrams per liter | +10.9% |
| 2011 | 0.1322 milligrams per liter | +15.4% |
| 2012 | 0.766 milligrams per liter | +479.2% |
| 2013 | 4.21 milligrams per liter | +449.6% |
| 2014 | 8.74 milligrams per liter | +107.6% |
| 2015 | 6.72 milligrams per liter | -23.1% |
| 2016 | 1.28 milligrams per liter | -80.9% |
| 2017 | 0.5076 milligrams per liter | -60.4% |
| 2018 | 0.1496 milligrams per liter | -70.5% |
| 2019 | 0.1425 milligrams per liter | -4.7% |
| 2020 | 0.1319 milligrams per liter | -7.4% |
| 2021 | 0.1249 milligrams per liter | -5.3% |
Italy compared with similar countries
- Italy's 0.1249 milligrams per liter is above the median for Europe & Central Asia, which is 0.0703 milligrams per liter, 1.8× the median. (31 countries reporting)
- Italy's 0.1249 milligrams per liter is above the median for high income countries, which is 0.0673 milligrams per liter, 1.9× the median. (28 countries reporting)
Biggest year-on-year movements
Years where Average ammonium concentration in freshwater in Italy changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2012 | +479.2% | 0.1322 milligrams per liter | 0.766 milligrams per liter |
| 2013 | +449.6% | 0.766 milligrams per liter | 4.21 milligrams per liter |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0.7664 milligrams per liter | 0.1033 milligrams per liter | 5.85 milligrams per liter | 9 |
| 2010s | 2.28 milligrams per liter | 0.1146 milligrams per liter | 8.74 milligrams per liter | 10 |
| 2020s | 0.1284 milligrams per liter | 0.1249 milligrams per liter | 0.1319 milligrams per liter | 2 |
Countries ranked near Italy
More environment data for Italy
- Historical exposure to drought — Land soil moisture anomaly 2.04 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 2.47 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.324 °C (2025)
- Temperature change 2.18 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -1.94 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate -0.2257 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is average ammonium concentration in freshwater in Italy?
- Average ammonium concentration in freshwater in Italy was 0.1249 milligrams per liter in 2021, according to European Environment Agency (2023) – with minor processing by Our World in Data.
- What is the highest average ammonium concentration in freshwater recorded in Italy?
- The highest recorded value was 8.74 milligrams per liter in 2014.
- What is the lowest average ammonium concentration in freshwater recorded in Italy?
- The lowest recorded value was 0.1033 milligrams per liter in 2009.
- How does Italy rank for average ammonium concentration in freshwater?
- Italy ranks 8th out of 32 countries with data for 2021.
- Is average ammonium concentration in freshwater rising or falling in Italy?
- Over the last ten years it is down 5.5%. The long-run trend across the full record is volatile.
- Where does this Italy data come from?
- The figures come from European Environment Agency (2023) – with minor processing by Our World in Data, published as part of Average ammonium concentration in freshwater. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 21 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Average annual concentration of ammonium in lakes.