PM2.5 air pollution in Sierra Leone
The average concentration of fine particles (PM2.5) in Sierra Leone was 35.3 micrograms per cubic metre in 2023. The value for 2023 is the highest since 2015.
Sierra Leone, 2023
35.3
Change from 2022
+4.5%
Position in 2023
21st of 212
PM2.5 air pollution in Sierra Leone over time
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Sierra Leone
The chart loads when you scroll to it. The table below shows the same data.
The chart shows a calculation from the published values. The table below keeps the published values.
Micrograms per cubic metre. Source: World Health Organization, Global Health Observatory. Gaps mean no published value; points are not joined across missing years.
| Period | Sierra Leone |
|---|---|
| 2023 | 35.3 µg/m³ |
| 2022 | 33.7 µg/m³ |
| 2021 | 32.9 µg/m³ |
| 2020 | 34.3 µg/m³ |
| 2019 | 33.8 µg/m³ |
| 2018 | 34.2 µg/m³ |
| 2017 | 34.6 µg/m³ |
| 2016 | 34.5 µg/m³ |
| 2015 | 36.8 µg/m³ |
| 2014 | 33.9 µg/m³ |
| 2013 | 31.4 µg/m³ |
| 2012 | 35.4 µg/m³ |
| 2011 | 32.0 µg/m³ |
| 2010 | 29.6 µg/m³ |
A dash means no value was published for that period.
In short
- That is a change of +4.5% from 33.7 µg/m³ in 2022.
- Since 2013, when it was 31.4 µg/m³, the figure has changed by +12.1%.
- Among the 212 countries with data for 2023, Sierra Leone has the 21st highest value.