Benin vs Mauritania: Exposure to outdoor air pollution
Benin
35.3 µg/m³
in 2024
Mauritania
35.2 µg/m³
in 2024
Benin rank
28th
Mauritania rank
29th
Exposure to outdoor air pollution over time
- Benin
- Mauritania
How they compare
Benin currently reports 35.3 µg/m³ against 35.2 µg/m³ in Mauritania, a difference of 0.1 µg/m³.
The two have swapped places 5 times across 27 shared years of data; in 1998 it was Mauritania ahead.
Benin ranks 28th and Mauritania ranks 29th of 241 countries.
Mauritania has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Benin | Mauritania | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 31.3 µg/m³ | 40.35 µg/m³ | 9.05 µg/m³ | Mauritania |
| 2000s | 35.82 µg/m³ | 36.79 µg/m³ | 0.97 µg/m³ | Mauritania |
| 2010s | 34.77 µg/m³ | 36.33 µg/m³ | 1.56 µg/m³ | Mauritania |
| 2020s | 34.52 µg/m³ | 34.92 µg/m³ | 0.4 µg/m³ | Mauritania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Benin or Mauritania?
- Benin, at 35.3 µg/m³ against 35.2 µg/m³ in Mauritania as of 2024.
- What is the difference in exposure to outdoor air pollution between Benin and Mauritania?
- 0.1 µg/m³, with Benin ahead.
- How many years of comparable data are there for Benin and Mauritania?
- 27 years are reported by both, from 1998 to 2024.
- How do Benin and Mauritania rank globally for exposure to outdoor air pollution?
- Benin ranks 28th and Mauritania ranks 29th of 241 countries.
- Where does this data come from?
- SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data, published as Exposure to outdoor air pollution. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
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.