Average ammonium concentration in freshwater in Bulgaria

Bulgaria: Average ammonium concentration in freshwater was 0.2103 milligrams per litre in 2021. ◆ Volatile

Latest (2021)
0.2103 milligrams per litre
Change on year
up 38.1%
World rank
6th
of 32 countries
All-time high
0.3149 milligrams per litre
in 2002
All-time low
0.02 milligrams per litre
in 1996
Years of data
30
1992–2021

Average ammonium concentration in freshwater in Bulgaria, 1992–2021

00.10.20.31992200620211992: 0.067 milligrams per litre1993: 0.067 milligrams per litre1994: 0.303 milligrams per litre1995: 0.213 milligrams per litre1996: 0.02 milligrams per litre1997: 0.204 milligrams per litre1998: 0.28 milligrams per litre1999: 0.199 milligrams per litre2000: 0.233 milligrams per litre2001: 0.28 milligrams per litre2002: 0.315 milligrams per litre2003: 0.314 milligrams per litre2004: 0.145 milligrams per litre2005: 0.179 milligrams per litre2006: 0.174 milligrams per litre2007: 0.115 milligrams per litre2008: 0.155 milligrams per litre2009: 0.135 milligrams per litre2010: 0.125 milligrams per litre2011: 0.089 milligrams per litre2012: 0.094 milligrams per litre2013: 0.138 milligrams per litre2014: 0.067 milligrams per litre2015: 0.073 milligrams per litre2016: 0.088 milligrams per litre2017: 0.078 milligrams per litre2018: 0.164 milligrams per litre2019: 0.119 milligrams per litre2020: 0.152 milligrams per litre2021: 0.21 milligrams per litre

Source: European Environment Agency (2023) – with minor processing by Our World in Data. Measured in milligrams per litre.

Analysis

The most recent figure for average ammonium concentration in freshwater in Bulgaria is 0.2103 milligrams per litre, measured in 2021.

Compared with earlier readings it is up 38.1% on the previous year and up 135.9% over ten years.

Over the whole period, average ammonium concentration in freshwater in Bulgaria peaked at 0.3149 milligrams per litre in 2002 and was at its lowest, 0.02 milligrams per litre, in 1996.

That places Bulgaria 6th 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.

Averages by decade

DecadeAverage LowestHighest Years
1990s 0.1691 milligrams per litre 0.02 milligrams per litre 0.3028 milligrams per litre 8
2000s 0.2045 milligrams per litre 0.1154 milligrams per litre 0.3149 milligrams per litre 10
2010s 0.1034 milligrams per litre 0.0668 milligrams per litre 0.1638 milligrams per litre 10
2020s 0.1812 milligrams per litre 0.1522 milligrams per litre 0.2103 milligrams per litre 2

Countries ranked near Bulgaria

  1. 3 Netherlands 0.352 milligrams per litre compare
  2. 4 Spain 0.2883 milligrams per litre compare
  3. 5 Portugal 0.2243 milligrams per litre compare
  4. 7 France 0.178 milligrams per litre compare
  5. 8 Italy 0.1249 milligrams per litre compare
  6. 9 Serbia 0.1215 milligrams per litre compare

See the full ranking of 32 places →

More environment data for Bulgaria

All data for Bulgaria →

Frequently asked questions

What is average ammonium concentration in freshwater in Bulgaria?
Average ammonium concentration in freshwater in Bulgaria was 0.2103 milligrams per litre 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 Bulgaria?
The highest recorded value was 0.3149 milligrams per litre in 2002.
What is the lowest average ammonium concentration in freshwater recorded in Bulgaria?
The lowest recorded value was 0.02 milligrams per litre in 1996.
How does Bulgaria rank for average ammonium concentration in freshwater?
Bulgaria ranks 6th out of 32 countries with data for 2021.
Is average ammonium concentration in freshwater rising or falling in Bulgaria?
Over the last ten years it is up 135.9%. The long-run trend across the full record is volatile.
Where does this Bulgaria 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 — 30 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Average ammonium concentration in freshwater
Unit
milligrams per litre
Source
European Environment Agency (2023) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
32 places, 693 data points, 1992–2021
Last refreshed

Average annual concentration of ammonium in lakes.