Population-weighted mean annual exposure to fine particulate matter (PM2.5), in micrograms per cubic metre. Source: World Bank — World Development Indicators. Retrieved 15 Oct 2026.
| Period | PM2.5 Air Pollution |
|---|---|
| 2023 | 46.5 µg/m³ |
| 2022 | 45 µg/m³ |
| 2021 | 49 µg/m³ |
| 2020 | 45.4 µg/m³ |
| 2019 | 43.7 µg/m³ |
| 2018 | 46.5 µg/m³ |
| 2017 | 50.5 µg/m³ |
| 2016 | 47.9 µg/m³ |
| 2015 | 53 µg/m³ |
| 2014 | 43.9 µg/m³ |
| 2013 | 42.8 µg/m³ |
| 2012 | 54.1 µg/m³ |
54 countries carry a recent mean PM2.5 air pollution figure. Each opens its own page with the history, the source and the API request.
146 of 207 indicators carry a figure for Mauritania, grouped by topic.