Guinea-Bissau vs Sierra Leone: Annual mean levels of fine particulate matter (population-weighted)

Guinea-Bissau
33.83
in 2023
Sierra Leone
35.26
in 2023
Guinea-Bissau rank
24th
Sierra Leone rank
21st

Annual mean levels of fine particulate matter (population-weighted) over time

  • Guinea-Bissau
  • Sierra Leone
010203040201020162023

How they compare

Sierra Leone currently reports 35.26 against 33.83 in Guinea-Bissau, a difference of 1.43.

The two have swapped places 5 times across 14 shared years of data; in 2010 it was Guinea-Bissau ahead.

Guinea-Bissau ranks 24th and Sierra Leone ranks 21st of 254 countries.

Sierra Leone 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 32.91 33.63 0.7209 Sierra Leone
2020s 34.03 34.05 0.0219 Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual mean levels of fine particulate matter (population-weighted), Guinea-Bissau or Sierra Leone?
Sierra Leone, at 35.26 against 33.83 in Guinea-Bissau as of 2023.
What is the difference in annual mean levels of fine particulate matter (population-weighted) between Guinea-Bissau and Sierra Leone?
1.43, with Sierra Leone 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 annual mean levels of fine particulate matter (population-weighted)?
Guinea-Bissau ranks 24th and Sierra Leone ranks 21st of 254 countries.
Where does this data come from?
United Nations Statistics Division, SDG Global Database, published as Annual mean levels of fine particulate matter (population-weighted), by location (micrograms per cubic meter). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Guinea-Bissau vs Sierra Leone: Annual mean levels of fine particulate matter (population-weighted). Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 13 September 2026, from https://development-goals.statizoid.com/compare/annual-mean-levels-of-fine-particulate-matter-population-weighted-by-location-micrograms/guinea-bissau/sierra-leone/

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About this data

Indicator
Annual mean levels of fine particulate matter (population-weighted), by location (micrograms per cubic meter)
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
291 places, 4,074 data points, 2010–2023
Last refreshed