What is the highest exposure to pm2.5 air pollution vs. gdp per capita recorded in Sierra Leone?

The highest recorded value was 26.7 micrograms per cubic meter in 2004.

What is the lowest exposure to pm2.5 air pollution vs. gdp per capita recorded in Sierra Leone?

The lowest recorded value was 19.76 micrograms per cubic meter in 2003.

How does Sierra Leone rank for exposure to pm2.5 air pollution vs. gdp per capita?

Sierra Leone ranks 69th out of 200 countries with data for 2023.

Is exposure to pm2.5 air pollution vs. gdp per capita rising or falling in Sierra Leone?

Over the last ten years it is up 8.7%. The long-run trend across the full record is flat.

Where does this Sierra Leone data come from?

The figures come from Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data, published as part of Exposure to PM2.5 air pollution vs. GDP per capita. Statizoid updates them automatically from the source API.

Exposure to PM2.5 air pollution vs. GDP per capita in Sierra Leone

Name: Exposure to PM2.5 air pollution vs. GDP per capita in Sierra Leone
Creator: Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

Sierra Leone: Exposure to PM2.5 air pollution vs. GDP per capita was 22.46 micrograms per cubic meter in 2023. ▬ Flat

Latest (2023)

22.46 micrograms per cubic meter

Change on year

up 0.4%

World rank

69th

of 200 countries

All-time high

26.7 micrograms per cubic meter

in 2004

All-time low

19.76 micrograms per cubic meter

in 2003

Years of data

1990–2023

Exposure to PM2.5 air pollution vs. GDP per capita in Sierra Leone, 1990–2023

Source: Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data. Measured in micrograms per cubic meter.

Analysis

Sierra Leone recorded 22.46 micrograms per cubic meter for exposure to pm2.5 air pollution vs. gdp per capita in 2023.

That represents a change of up 0.4% on the previous year and up 8.7% over ten years.

Over the whole period, exposure to pm2.5 air pollution vs. gdp per capita in Sierra Leone peaked at 26.7 micrograms per cubic meter in 2004 and was at its lowest, 19.76 micrograms per cubic meter, in 2003.

That places Sierra Leone 69th out of 200 countries with data for 2023, putting it in the middle of the range.

Averages by decade

Decade	Average	Lowest	Highest	Years
1990s	22.82 micrograms per cubic meter	21.25 micrograms per cubic meter	23.89 micrograms per cubic meter	10
2000s	23.1 micrograms per cubic meter	19.76 micrograms per cubic meter	26.7 micrograms per cubic meter	10
2010s	23.06 micrograms per cubic meter	20.35 micrograms per cubic meter	26.65 micrograms per cubic meter	10
2020s	22.22 micrograms per cubic meter	21.37 micrograms per cubic meter	22.67 micrograms per cubic meter	4

Countries ranked near Sierra Leone

66 Thailand 23.49 micrograms per cubic meter compare
67 Chile 23.1 micrograms per cubic meter compare
68 Sri Lanka 22.68 micrograms per cubic meter compare
70 Palestine 22.39 micrograms per cubic meter compare
71 Philippines 22.21 micrograms per cubic meter compare
72 Israel 21.9 micrograms per cubic meter compare

See the full ranking of 200 places →

More economy & growth data for Sierra Leone

External balance on goods and services as a percent of GDP -7.3% (2025)
Inflation of consumer prices 7.5% (2025)
GDP per capita 1,166 constant 2015 US$ (2025)
Share of manufacturing in gross domestic product (GDP) 7.0% (2024)
Gross domestic product (GDP) 10.28 billion constant 2015 US$ (2025)
GDP per capita in international and market dollars 1,166 constant 2015 US$ (2025)
DEC alternative conversion factor 22.66 LCU per US$ (2025)
Net secondary income (Net current transfers from abroad) 9.63 billion current LCU (2025)
Net secondary income (Net current transfers from abroad) 425.00 million current US$ (2025)
Taxes less subsidies on products 5.35 billion current LCU (2025)

All data for Sierra Leone →

Frequently asked questions

What is exposure to pm2.5 air pollution vs. gdp per capita in Sierra Leone?: Exposure to pm2.5 air pollution vs. gdp per capita in Sierra Leone was 22.46 micrograms per cubic meter in 2023, according to Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data.
What is the highest exposure to pm2.5 air pollution vs. gdp per capita recorded in Sierra Leone?: The highest recorded value was 26.7 micrograms per cubic meter in 2004.
What is the lowest exposure to pm2.5 air pollution vs. gdp per capita recorded in Sierra Leone?: The lowest recorded value was 19.76 micrograms per cubic meter in 2003.
How does Sierra Leone rank for exposure to pm2.5 air pollution vs. gdp per capita?: Sierra Leone ranks 69th out of 200 countries with data for 2023.
Is exposure to pm2.5 air pollution vs. gdp per capita rising or falling in Sierra Leone?: Over the last ten years it is up 8.7%. The long-run trend across the full record is flat.
Where does this Sierra Leone data come from?: The figures come from Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data, published as part of Exposure to PM2.5 air pollution vs. GDP per capita. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 34 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator: Exposure to PM2.5 air pollution vs. GDP per capita
Unit: micrograms per cubic meter
Source: Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 200 places, 6,800 data points, 1990–2023
Last refreshed: 07 August 2026

GDP per capita is adjusted for inflation and differences in living costs between countries.