Exposure to outdoor air pollution in Guinea
Guinea: Exposure to outdoor air pollution was 23.9 µg/m³ in 2024. ▼ Falling
Exposure to outdoor air pollution in Guinea, 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
Guinea recorded 23.9 µg/m³ for exposure to outdoor air pollution in 2024.
The figure is up 7.2% on the previous year and down 3.6% over ten years.
Over the whole period, exposure to outdoor air pollution in Guinea peaked at 30.7 µg/m³ in 1998 and was at its lowest, 22.3 µg/m³, in 2023.
That places Guinea 66th out of 241 countries with data for 2024, putting it in the middle of the range.
The long-run direction has been consistently falling across the 27 years of available data.
Exposure to outdoor air pollution in Guinea, year by year
| Year | µg/m³ | Change |
|---|---|---|
| 1998 | 30.7 µg/m³ | — |
| 1999 | 30.2 µg/m³ | -1.6% |
| 2000 | 26.3 µg/m³ | -12.9% |
| 2001 | 24.4 µg/m³ | -7.2% |
| 2002 | 24.5 µg/m³ | +0.4% |
| 2003 | 25.5 µg/m³ | +4.1% |
| 2004 | 28.7 µg/m³ | +12.5% |
| 2005 | 25.9 µg/m³ | -9.8% |
| 2006 | 23.1 µg/m³ | -10.8% |
| 2007 | 27.8 µg/m³ | +20.3% |
| 2008 | 28.2 µg/m³ | +1.4% |
| 2009 | 27.2 µg/m³ | -3.5% |
| 2010 | 27.3 µg/m³ | +0.4% |
| 2011 | 28 µg/m³ | +2.6% |
| 2012 | 26.3 µg/m³ | -6.1% |
| 2013 | 23.1 µg/m³ | -12.2% |
| 2014 | 24.8 µg/m³ | +7.4% |
| 2015 | 26.7 µg/m³ | +7.7% |
| 2016 | 25.7 µg/m³ | -3.7% |
| 2017 | 26.5 µg/m³ | +3.1% |
| 2018 | 26.2 µg/m³ | -1.1% |
| 2019 | 24.5 µg/m³ | -6.5% |
| 2020 | 23.4 µg/m³ | -4.5% |
| 2021 | 24.3 µg/m³ | +3.8% |
| 2022 | 23 µg/m³ | -5.3% |
| 2023 | 22.3 µg/m³ | -3.0% |
| 2024 | 23.9 µg/m³ | +7.2% |
Guinea compared with similar countries
- Guinea's 23.9 µg/m³ is below the median for lower middle income countries, which is 24.7 µg/m³, 97% of the median. (47 countries reporting)
- Guinea's 23.9 µg/m³ is below the median for Sub-Saharan Africa, which is 25.2 µg/m³, 95% of the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 30.45 µg/m³ | 30.2 µg/m³ | 30.7 µg/m³ | 2 |
| 2000s | 26.16 µg/m³ | 23.1 µg/m³ | 28.7 µg/m³ | 10 |
| 2010s | 25.91 µg/m³ | 23.1 µg/m³ | 28 µg/m³ | 10 |
| 2020s | 23.38 µg/m³ | 22.3 µg/m³ | 24.3 µg/m³ | 5 |
Countries ranked near Guinea
- 63 Lesotho 24.5 µg/m³ compare
- 64 South Africa 24.4 µg/m³ compare
- 65 South Sudan 24.1 µg/m³ compare
- 67 Azerbaijan 23.7 µg/m³ compare
- 68 Thailand 23.3 µg/m³ compare
- 69 Chile 23.2 µg/m³ compare
- 69 Palestine 23.2 µg/m³ compare
More environment data for Guinea
- Historical exposure to drought — Land soil moisture anomaly -2.88 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -2.87 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.285 °C (2025)
- Temperature change 1.36 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 2.66 % 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 2.27 % 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?
- Exposure to outdoor air pollution in Guinea was 23.9 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?
- The highest recorded value was 30.7 µg/m³ in 1998.
- What is the lowest exposure to outdoor air pollution recorded in Guinea?
- The lowest recorded value was 22.3 µg/m³ in 2023.
- How does Guinea rank for exposure to outdoor air pollution?
- Guinea ranks 66th out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Guinea?
- Over the last ten years it is down 3.6%. The long-run trend across the full record is falling.
- Where does this Guinea 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.