What is the difference in exposure to outdoor air pollution in urban areas between Burkina Faso and Sierra Leone?

1.55 micrograms per cubic meter, with Burkina Faso ahead.

How many years of comparable data are there for Burkina Faso and Sierra Leone?

14 years are reported by both, from 2010 to 2023.

Where does this data come from?

World Health Organization – processed by Our World in Data, published as Exposure to outdoor air pollution in urban areas. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Burkina Faso vs Sierra Leone: Exposure to outdoor air pollution in urban areas

Burkina Faso

38.45 micrograms per cubic meter

in 2023

Sierra Leone

36.9 micrograms per cubic meter

in 2023

Burkina Faso rank

21st

Sierra Leone rank

23rd

Exposure to outdoor air pollution in urban areas over time

Burkina Faso
Sierra Leone

How they compare

Burkina Faso currently reports 38.45 micrograms per cubic meter against 36.9 micrograms per cubic meter in Sierra Leone, a difference of 1.55 micrograms per cubic meter.

The two have swapped places 4 times across 14 shared years of data; in 2010 it was Burkina Faso ahead.

Burkina Faso ranks 21st and Sierra Leone ranks 23rd of 226 countries.

Burkina Faso has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade	Burkina Faso	Sierra Leone	Difference	Ahead
2010s	36.89 micrograms per cubic meter	35.23 micrograms per cubic meter	1.66 micrograms per cubic meter	Burkina Faso
2020s	39.25 micrograms per cubic meter	35.75 micrograms per cubic meter	3.49 micrograms per cubic meter	Burkina Faso

Averages of every year both report within each decade.

Frequently asked questions

Which has higher exposure to outdoor air pollution in urban areas, Burkina Faso or Sierra Leone?: Burkina Faso, at 38.45 micrograms per cubic meter against 36.9 micrograms per cubic meter in Sierra Leone as of 2023.
What is the difference in exposure to outdoor air pollution in urban areas between Burkina Faso and Sierra Leone?: 1.55 micrograms per cubic meter, with Burkina Faso ahead.
How many years of comparable data are there for Burkina Faso and Sierra Leone?: 14 years are reported by both, from 2010 to 2023.
How do Burkina Faso and Sierra Leone rank globally for exposure to outdoor air pollution in urban areas?: Burkina Faso ranks 21st and Sierra Leone ranks 23rd of 226 countries.
Where does this data come from?: World Health Organization – processed by Our World in Data, published as Exposure to outdoor air pollution in urban areas. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Burkina Faso vs Sierra Leone: Exposure to outdoor air pollution in urban areas. Statizoid, drawing on World Health Organization – processed by Our World in Data. Retrieved 15 September 2026, from https://environment.statizoid.com/compare/exposure-to-outdoor-air-pollution-in-urban-areas/burkina-faso/sierra-leone/

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<a href="https://environment.statizoid.com/compare/exposure-to-outdoor-air-pollution-in-urban-areas/burkina-faso/sierra-leone/">Burkina Faso vs Sierra Leone: Exposure to outdoor air pollution in urban areas</a> — Statizoid

About this data

Indicator: Exposure to outdoor air pollution in urban areas
Unit: micrograms per cubic meter
Source: World Health Organization – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 226 places, 3,156 data points, 2010–2023
Last refreshed: 28 August 2026

Annual mean levels of fine particulate matter (population-weighted), by location (micrograms per cubic meter).