Annual mean levels of fine particulate matter (population-weighted) in Sierra Leone
Sierra Leone: Annual mean levels of fine particulate matter (population-weighted) was 35.26 µg/m³ in 2023. ▲ Rising
Annual mean levels of fine particulate matter (population-weighted) in Sierra Leone, 2010–2023
Source: United Nations Statistics Division, SDG Global Database. Measured in µg/m³.
Analysis
The most recent figure for annual mean levels of fine particulate matter (population-weighted) in Sierra Leone is 35.26 µg/m³, measured in 2023.
The figure is up 4.5% on the previous year and up 12.1% over ten years.
Over the whole period, annual mean levels of fine particulate matter (population-weighted) in Sierra Leone peaked at 36.77 µg/m³ in 2015 and was at its lowest, 29.59 µg/m³, in 2010.
That places Sierra Leone 21st out of 254 countries with data for 2023, putting it in the top 10%.
The long-run direction has been consistently rising across the 14 years of available data.
Annual mean levels of fine particulate matter (population-weighted) in Sierra Leone, year by year
| Year | µg/m³ | Change |
|---|---|---|
| 2010 | 29.59 µg/m³ | — |
| 2011 | 32.04 µg/m³ | +8.3% |
| 2012 | 35.43 µg/m³ | +10.6% |
| 2013 | 31.44 µg/m³ | -11.2% |
| 2014 | 33.87 µg/m³ | +7.7% |
| 2015 | 36.77 µg/m³ | +8.6% |
| 2016 | 34.54 µg/m³ | -6.1% |
| 2017 | 34.61 µg/m³ | +0.2% |
| 2018 | 34.19 µg/m³ | -1.2% |
| 2019 | 33.84 µg/m³ | -1.0% |
| 2020 | 34.32 µg/m³ | +1.4% |
| 2021 | 32.91 µg/m³ | -4.1% |
| 2022 | 33.72 µg/m³ | +2.5% |
| 2023 | 35.26 µg/m³ | +4.5% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 33.63 µg/m³ | 29.59 µg/m³ | 36.77 µg/m³ | 10 |
| 2020s | 34.05 µg/m³ | 32.91 µg/m³ | 35.26 µg/m³ | 4 |
Countries ranked near Sierra Leone
- 18 Iraq 39.8 µg/m³ compare
- 19 Gambia 39.6 µg/m³ compare
- 20 Burkina Faso 36.21 µg/m³ compare
- 22 Yemen 34.04 µg/m³ compare
- 23 United Arab Emirates 34.01 µg/m³ compare
- 24 Guinea-Bissau 33.83 µg/m³ compare
More development goals data for Sierra Leone
- Red List Index 0.9225 index (2025)
- Number of refugees per 100,000 population, by country of origin 94.32 per 100,000 people (2025)
- Manufacturing value added per capita 61.77 constant US$ (2025)
- Number of transboundary breeds 14 (2025)
- Number of transboundary breeds (not extinct) 14 (2025)
- Number of transboundary breeds with unknown risk status 14 (2025)
- Infant deaths 14,038 (2024)
- Neonatal deaths 7,350 (2024)
- Alcohol consumption per capita (aged 15 years and older) within a 0.2439 ltpureal (2024)
- Under-five deaths 23,171 (2024)
Frequently asked questions
- What is annual mean levels of fine particulate matter (population-weighted) in Sierra Leone?
- Annual mean levels of fine particulate matter (population-weighted) in Sierra Leone was 35.26 µg/m³ in 2023, according to United Nations Statistics Division, SDG Global Database.
- What is the highest annual mean levels of fine particulate matter (population-weighted) recorded in Sierra Leone?
- The highest recorded value was 36.77 µg/m³ in 2015.
- What is the lowest annual mean levels of fine particulate matter (population-weighted) recorded in Sierra Leone?
- The lowest recorded value was 29.59 µg/m³ in 2010.
- How does Sierra Leone rank for annual mean levels of fine particulate matter (population-weighted)?
- Sierra Leone ranks 21st out of 254 countries with data for 2023.
- Is annual mean levels of fine particulate matter (population-weighted) rising or falling in Sierra Leone?
- Over the last ten years it is up 12.1%. The long-run trend across the full record is rising.
- Where does this Sierra Leone data come from?
- The figures come from United Nations Statistics Division, SDG Global Database, published as part of Annual mean levels of fine particulate matter (population-weighted), by location (micrograms per cubic meter). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 14 observations, free to reuse under UN SDG Global Database (open, attribution requested).