Exposure to outdoor air pollution in Guinea-Bissau
Guinea-Bissau: Exposure to outdoor air pollution was 29 µg/m³ in 2024. ▼ Falling
Exposure to outdoor air pollution in Guinea-Bissau, 1998–2024
Source: SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data. Measured in µg/m³.
Analysis
In 2024, exposure to outdoor air pollution in Guinea-Bissau stood at 29 µg/m³.
The figure is up 6.6% on the previous year and up 2.1% over ten years.
Over the whole period, exposure to outdoor air pollution in Guinea-Bissau peaked at 34.3 µg/m³ in 1998 and was at its lowest, 25.8 µg/m³, in 2013.
That places Guinea-Bissau 48th out of 241 countries with data for 2024, putting it in the top quarter.
The long-run direction has been consistently falling across the 27 years of available data.
Exposure to outdoor air pollution in Guinea-Bissau, year by year
| Year | µg/m³ | Change |
|---|---|---|
| 1998 | 34.3 µg/m³ | — |
| 1999 | 33.1 µg/m³ | -3.5% |
| 2000 | 32.7 µg/m³ | -1.2% |
| 2001 | 30.6 µg/m³ | -6.4% |
| 2002 | 29.6 µg/m³ | -3.3% |
| 2003 | 29.7 µg/m³ | +0.3% |
| 2004 | 32.2 µg/m³ | +8.4% |
| 2005 | 30.1 µg/m³ | -6.5% |
| 2006 | 27.9 µg/m³ | -7.3% |
| 2007 | 33.1 µg/m³ | +18.6% |
| 2008 | 33 µg/m³ | -0.3% |
| 2009 | 28.8 µg/m³ | -12.7% |
| 2010 | 30.4 µg/m³ | +5.6% |
| 2011 | 30.8 µg/m³ | +1.3% |
| 2012 | 29.7 µg/m³ | -3.6% |
| 2013 | 25.8 µg/m³ | -13.1% |
| 2014 | 28.4 µg/m³ | +10.1% |
| 2015 | 30.4 µg/m³ | +7.0% |
| 2016 | 30 µg/m³ | -1.3% |
| 2017 | 31.9 µg/m³ | +6.3% |
| 2018 | 31.5 µg/m³ | -1.3% |
| 2019 | 28.6 µg/m³ | -9.2% |
| 2020 | 28.1 µg/m³ | -1.7% |
| 2021 | 29.6 µg/m³ | +5.3% |
| 2022 | 27.3 µg/m³ | -7.8% |
| 2023 | 27.2 µg/m³ | -0.4% |
| 2024 | 29 µg/m³ | +6.6% |
Guinea-Bissau compared with similar countries
- Guinea-Bissau's 29 µg/m³ is below the median for low income countries, which is 30.8 µg/m³, 94% of the median. (25 countries reporting)
- Guinea-Bissau's 29 µg/m³ is above the median for Sub-Saharan Africa, which is 25.2 µg/m³, 1.2× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 33.7 µg/m³ | 33.1 µg/m³ | 34.3 µg/m³ | 2 |
| 2000s | 30.77 µg/m³ | 27.9 µg/m³ | 33.1 µg/m³ | 10 |
| 2010s | 29.75 µg/m³ | 25.8 µg/m³ | 31.9 µg/m³ | 10 |
| 2020s | 28.24 µg/m³ | 27.2 µg/m³ | 29.6 µg/m³ | 5 |
Countries ranked near Guinea-Bissau
- 45 El Salvador 30.7 µg/m³ compare
- 46 Uzbekistan 30 µg/m³ compare
- 47 Turkmenistan 29.1 µg/m³ compare
- 49 Sudan 28.8 µg/m³ compare
- 50 Ghana 28.2 µg/m³ compare
- 51 Guatemala 27.7 µg/m³ compare
More environment data for Guinea-Bissau
- Historical exposure to drought — Land soil moisture anomaly -2.65 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -2.47 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.303 °C (2025)
- Temperature change 1.27 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 1.26 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate 0.4449 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is exposure to outdoor air pollution in Guinea-Bissau?
- Exposure to outdoor air pollution in Guinea-Bissau was 29 µg/m³ in 2024, according to SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data.
- What is the highest exposure to outdoor air pollution recorded in Guinea-Bissau?
- The highest recorded value was 34.3 µg/m³ in 1998.
- What is the lowest exposure to outdoor air pollution recorded in Guinea-Bissau?
- The lowest recorded value was 25.8 µg/m³ in 2013.
- How does Guinea-Bissau rank for exposure to outdoor air pollution?
- Guinea-Bissau ranks 48th out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Guinea-Bissau?
- Over the last ten years it is up 2.1%. The long-run trend across the full record is falling.
- Where does this Guinea-Bissau data come from?
- The figures come from SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data, published as part of Exposure to outdoor air pollution. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 27 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Annual population-weighted average concentration of fine particulate matter (PM2.5) in the air, measured in micrograms per cubic meter (µg/m³). Fine particulate matter (PM2.5) are particles with a diameter of 2.5 micrometers or less, which can pose significant health risks.