Average annual exposure to PM2.5 air pollution in Guinea-Bissau
Guinea-Bissau: Average annual exposure to PM2.5 air pollution was 32.29 micrograms per cubic meter in 2023. ▼ Falling
Latest (2023)
32.29 micrograms per cubic meter
Change on year
up 2.0%
World rank
41st
of 200 countries
All-time high
38.48 micrograms per cubic meter
in 1990
All-time low
28.49 micrograms per cubic meter
in 2013
Years of data
34
1990–2023
Average annual exposure to PM2.5 air pollution in Guinea-Bissau, 1990–2023
Source: Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data. Measured in micrograms per cubic meter.
Analysis
In 2023, average annual exposure to pm2.5 air pollution in Guinea-Bissau stood at 32.29 micrograms per cubic meter.
That represents a change of up 2.0% on the previous year and up 13.4% over ten years.
Over the whole period, average annual exposure to pm2.5 air pollution in Guinea-Bissau peaked at 38.48 micrograms per cubic meter in 1990 and was at its lowest, 28.49 micrograms per cubic meter, in 2013.
That places Guinea-Bissau 41st out of 200 countries with data for 2023, putting it in the top quarter.
The long-run direction has been consistently falling across the 34 years of available data.
Average annual exposure to PM2.5 air pollution in Guinea-Bissau, year by year
| Year | micrograms per cubic meter | Change |
|---|---|---|
| 1990 | 38.48 micrograms per cubic meter | — |
| 1991 | 37.45 micrograms per cubic meter | -2.7% |
| 1992 | 37.26 micrograms per cubic meter | -0.5% |
| 1993 | 37.07 micrograms per cubic meter | -0.5% |
| 1994 | 36.88 micrograms per cubic meter | -0.5% |
| 1995 | 35.02 micrograms per cubic meter | -5.0% |
| 1996 | 36.5 micrograms per cubic meter | +4.2% |
| 1997 | 36.32 micrograms per cubic meter | -0.5% |
| 1998 | 36.13 micrograms per cubic meter | -0.5% |
| 1999 | 35.94 micrograms per cubic meter | -0.5% |
| 2000 | 36.58 micrograms per cubic meter | +1.8% |
| 2001 | 30.9 micrograms per cubic meter | -15.5% |
| 2002 | 33.84 micrograms per cubic meter | +9.5% |
| 2003 | 31.76 micrograms per cubic meter | -6.2% |
| 2004 | 36.74 micrograms per cubic meter | +15.7% |
| 2005 | 32.78 micrograms per cubic meter | -10.8% |
| 2006 | 33.73 micrograms per cubic meter | +2.9% |
| 2007 | 35.21 micrograms per cubic meter | +4.4% |
| 2008 | 35.76 micrograms per cubic meter | +1.6% |
| 2009 | 32 micrograms per cubic meter | -10.5% |
| 2010 | 33.32 micrograms per cubic meter | +4.1% |
| 2011 | 34.13 micrograms per cubic meter | +2.4% |
| 2012 | 35.62 micrograms per cubic meter | +4.4% |
| 2013 | 28.49 micrograms per cubic meter | -20.0% |
| 2014 | 30.25 micrograms per cubic meter | +6.2% |
| 2015 | 36.19 micrograms per cubic meter | +19.6% |
| 2016 | 32.94 micrograms per cubic meter | -9.0% |
| 2017 | 36.42 micrograms per cubic meter | +10.6% |
| 2018 | 35.15 micrograms per cubic meter | -3.5% |
| 2019 | 30.94 micrograms per cubic meter | -12.0% |
| 2020 | 32.5 micrograms per cubic meter | +5.0% |
| 2021 | 31.78 micrograms per cubic meter | -2.2% |
| 2022 | 31.65 micrograms per cubic meter | -0.4% |
| 2023 | 32.29 micrograms per cubic meter | +2.0% |
Guinea-Bissau compared with similar countries
- Guinea-Bissau's 32.29 micrograms per cubic meter is below the median for low income countries, which is 33.29 micrograms per cubic meter, 97% of the median. (25 countries reporting)
- Guinea-Bissau's 32.29 micrograms per cubic meter is above the median for Sub-Saharan Africa, which is 27.49 micrograms per cubic meter, 1.2× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 36.71 micrograms per cubic meter | 35.02 micrograms per cubic meter | 38.48 micrograms per cubic meter | 10 |
| 2000s | 33.93 micrograms per cubic meter | 30.9 micrograms per cubic meter | 36.74 micrograms per cubic meter | 10 |
| 2010s | 33.35 micrograms per cubic meter | 28.49 micrograms per cubic meter | 36.42 micrograms per cubic meter | 10 |
| 2020s | 32.06 micrograms per cubic meter | 31.65 micrograms per cubic meter | 32.5 micrograms per cubic meter | 4 |
Countries ranked near Guinea-Bissau
- 38 Central African Republic 33.29 micrograms per cubic meter compare
- 39 Uzbekistan 32.77 micrograms per cubic meter compare
- 40 Jordan 32.63 micrograms per cubic meter compare
- 42 Syria 32.06 micrograms per cubic meter compare
- 43 China 31.99 micrograms per cubic meter compare
- 44 Gabon 31.32 micrograms per cubic meter 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 average annual exposure to pm2.5 air pollution in Guinea-Bissau?
- Average annual exposure to pm2.5 air pollution in Guinea-Bissau was 32.29 micrograms per cubic meter in 2023, according to Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data.
- What is the highest average annual exposure to pm2.5 air pollution recorded in Guinea-Bissau?
- The highest recorded value was 38.48 micrograms per cubic meter in 1990.
- What is the lowest average annual exposure to pm2.5 air pollution recorded in Guinea-Bissau?
- The lowest recorded value was 28.49 micrograms per cubic meter in 2013.
- How does Guinea-Bissau rank for average annual exposure to pm2.5 air pollution?
- Guinea-Bissau ranks 41st out of 200 countries with data for 2023.
- Is average annual exposure to pm2.5 air pollution rising or falling in Guinea-Bissau?
- Over the last ten years it is up 13.4%. The long-run trend across the full record is falling.
- Where does this Guinea-Bissau data come from?
- The figures come from Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data, published as part of Average annual exposure to PM2.5 air pollution. Statizoid updates them automatically from the source API.
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CSV · JSON — 34 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The average level of exposure of the population to suspended particles less than 2.5 microns in diameter, which are capable of penetrating deep into the respiratory tract and damaging health. This is measured in micrograms per cubic meter.