Guinea-Bissau vs Sierra Leone: Exposure to outdoor air pollution in urban areas
Guinea-Bissau
37.52 micrograms per cubic meter
in 2023
Sierra Leone
36.9 micrograms per cubic meter
in 2023
Guinea-Bissau rank
22nd
Sierra Leone rank
23rd
Exposure to outdoor air pollution in urban areas over time
- Guinea-Bissau
- Sierra Leone
How they compare
Guinea-Bissau currently reports 37.52 micrograms per cubic meter against 36.9 micrograms per cubic meter in Sierra Leone, a difference of 0.62 micrograms per cubic meter.
The two have swapped places 2 times across 14 shared years of data; in 2010 it was Guinea-Bissau ahead.
Guinea-Bissau ranks 22nd and Sierra Leone ranks 23rd of 226 countries.
Guinea-Bissau has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Guinea-Bissau | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 36.35 micrograms per cubic meter | 35.23 micrograms per cubic meter | 1.13 micrograms per cubic meter | Guinea-Bissau |
| 2020s | 37.66 micrograms per cubic meter | 35.75 micrograms per cubic meter | 1.91 micrograms per cubic meter | Guinea-Bissau |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution in urban areas, Guinea-Bissau or Sierra Leone?
- Guinea-Bissau, at 37.52 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 Guinea-Bissau and Sierra Leone?
- 0.62 micrograms per cubic meter, with Guinea-Bissau ahead.
- How many years of comparable data are there for Guinea-Bissau and Sierra Leone?
- 14 years are reported by both, from 2010 to 2023.
- How do Guinea-Bissau and Sierra Leone rank globally for exposure to outdoor air pollution in urban areas?
- Guinea-Bissau ranks 22nd 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.
Individual pages
About this data
Annual mean levels of fine particulate matter (population-weighted), by location (micrograms per cubic meter).