Exposure to outdoor air pollution in Mauritania

Mauritania: Exposure to outdoor air pollution was 35.2 µg/m³ in 2024. ▼ Falling

Latest (2024)
35.2 µg/m³
Change on year
up 8.6%
World rank
29th
of 241 countries
All-time high
42 µg/m³
in 1998
All-time low
32.4 µg/m³
in 2023
Years of data
27
1998–2024

Exposure to outdoor air pollution in Mauritania, 1998–2024

0102030401998201120241998: 42 µg/m³1999: 38.7 µg/m³2000: 39.2 µg/m³2001: 35.5 µg/m³2002: 38 µg/m³2003: 38.1 µg/m³2004: 36.3 µg/m³2005: 35.3 µg/m³2006: 33.5 µg/m³2007: 38.1 µg/m³2008: 38.2 µg/m³2009: 35.7 µg/m³2010: 36.2 µg/m³2011: 38.5 µg/m³2012: 38.8 µg/m³2013: 33.4 µg/m³2014: 34 µg/m³2015: 37.9 µg/m³2016: 36.3 µg/m³2017: 37.9 µg/m³2018: 35.3 µg/m³2019: 35 µg/m³2020: 34.1 µg/m³2021: 37.9 µg/m³2022: 35 µg/m³2023: 32.4 µg/m³2024: 35.2 µg/m³

Source: SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data. Measured in µg/m³.

Analysis

In 2024, exposure to outdoor air pollution in Mauritania stood at 35.2 µg/m³.

That represents a change of up 8.6% on the previous year and up 3.5% over ten years.

Over the whole period, exposure to outdoor air pollution in Mauritania peaked at 42 µg/m³ in 1998 and was at its lowest, 32.4 µg/m³, in 2023.

That places Mauritania 29th out of 241 countries with data for 2024, putting it in the top quarter.

The long-run direction has been consistently falling across the 27 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1990s 40.35 µg/m³ 38.7 µg/m³ 42 µg/m³ 2
2000s 36.79 µg/m³ 33.5 µg/m³ 39.2 µg/m³ 10
2010s 36.33 µg/m³ 33.4 µg/m³ 38.8 µg/m³ 10
2020s 34.92 µg/m³ 32.4 µg/m³ 37.9 µg/m³ 5

Countries ranked near Mauritania

  1. 26 Gambia 35.7 µg/m³ compare
  2. 27 Equatorial Guinea 35.4 µg/m³ compare
  3. 28 Benin 35.3 µg/m³ compare
  4. 30 Yemen 35 µg/m³ compare
  5. 31 Burkina Faso 34.6 µg/m³ compare
  6. 32 Oman 34.1 µg/m³ compare

See the full ranking of 241 places →

More environment data for Mauritania

All data for Mauritania →

Frequently asked questions

What is exposure to outdoor air pollution in Mauritania?
Exposure to outdoor air pollution in Mauritania was 35.2 µg/m³ in 2024, according to SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data.
What is the highest exposure to outdoor air pollution recorded in Mauritania?
The highest recorded value was 42 µg/m³ in 1998.
What is the lowest exposure to outdoor air pollution recorded in Mauritania?
The lowest recorded value was 32.4 µg/m³ in 2023.
How does Mauritania rank for exposure to outdoor air pollution?
Mauritania ranks 29th out of 241 countries with data for 2024.
Is exposure to outdoor air pollution rising or falling in Mauritania?
Over the last ten years it is up 3.5%. The long-run trend across the full record is falling.
Where does this Mauritania data come from?
The figures come from SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data, published as part of Exposure to outdoor air pollution. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 27 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Exposure to outdoor air pollution
Unit
µg/m³
Source
SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
241 places, 6,507 data points, 1998–2024
Last refreshed

Annual population-weighted average concentration of fine particulate matter (PM2.5) in the air, measured in micrograms per cubic meter (µg/m³). Fine particulate matter (PM2.5) are particles with a diameter of 2.5 micrometers or less, which can pose significant health risks.