Concentrations of fine particulate matter in Sierra Leone

Sierra Leone: Concentrations of fine particulate matter was 39.78 in 2023. ▲ Rising

Latest (2023)
39.78
Change on year
up 4.6%
World rank
24th
of 184 countries
All-time high
40.73
in 2015
All-time low
33.6
in 2010
Years of data
14
2010–2023

Concentrations of fine particulate matter in Sierra Leone, 2010–2023

0102030402010201620232010: 33.62011: 36.22012: 39.52013: 35.22014: 37.82015: 40.72016: 38.72017: 39.12018: 38.62019: 382020: 38.62021: 37.22022: 382023: 39.8

Source: World Health Organization, Global Health Observatory.

Analysis

Sierra Leone recorded 39.78 for concentrations of fine particulate matter in 2023.

That represents a change of up 4.6% on the previous year and up 13.0% over ten years.

Over the whole period, concentrations of fine particulate matter in Sierra Leone peaked at 40.73 in 2015 and was at its lowest, 33.6, in 2010.

That places Sierra Leone 24th out of 184 countries with data for 2023, putting it in the top quarter.

The long-run direction has been consistently rising across the 14 years of available data.

Concentrations of fine particulate matter in Sierra Leone, year by year

Annual values for Concentrations of fine particulate matter (PM2.5) in Sierra Leone, 2010 to 2023.
Year Value Change
2010 33.6
2011 36.17 +7.7%
2012 39.47 +9.1%
2013 35.2 -10.8%
2014 37.79 +7.4%
2015 40.73 +7.8%
2016 38.74 -4.9%
2017 39.07 +0.9%
2018 38.57 -1.3%
2019 37.97 -1.6%
2020 38.62 +1.7%
2021 37.2 -3.7%
2022 38.01 +2.2%
2023 39.78 +4.6%

Averages by decade

DecadeAverage LowestHighest Years
2010s 37.73 33.6 40.73 10
2020s 38.4 37.2 39.78 4

Countries ranked near Sierra Leone

  1. 21 Iraq 42 compare
  2. 22 Mali 41.48 compare
  3. 23 Guinea-Bissau 40.52 compare
  4. 25 Guinea 38.46 compare
  5. 26 Uganda 38.1 compare
  6. 27 Côte d'Ivoire 36.74 compare

See the full ranking of 236 places →

More health data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is concentrations of fine particulate matter in Sierra Leone?
Concentrations of fine particulate matter in Sierra Leone was 39.78 in 2023, according to World Health Organization, Global Health Observatory.
What is the highest concentrations of fine particulate matter recorded in Sierra Leone?
The highest recorded value was 40.73 in 2015.
What is the lowest concentrations of fine particulate matter recorded in Sierra Leone?
The lowest recorded value was 33.6 in 2010.
How does Sierra Leone rank for concentrations of fine particulate matter?
Sierra Leone ranks 24th out of 184 countries with data for 2023.
Is concentrations of fine particulate matter rising or falling in Sierra Leone?
Over the last ten years it is up 13.0%. The long-run trend across the full record is rising.
Where does this Sierra Leone data come from?
The figures come from World Health Organization, Global Health Observatory, published as part of Concentrations of fine particulate matter (PM2.5). Statizoid updates them automatically from the source API.

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CSV · JSON — 14 observations, free to reuse under CC BY-NC-SA 3.0 IGO (WHO).

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Concentrations of fine particulate matter in Sierra Leone. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 25 August 2026, from https://health.statizoid.com/stat/concentrations-of-fine-particulate-matter-pm2-5/sierra-leone/

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About this data

Indicator
Concentrations of fine particulate matter (PM2.5)
Source
World Health Organization, Global Health Observatory
Licence
CC BY-NC-SA 3.0 IGO (WHO)
Coverage
236 places, 3,304 data points, 2010–2023
Last refreshed