Exposure to outdoor air pollution in Liberia
Liberia: Exposure to outdoor air pollution was 17.2 µg/m³ in 2024. ▬ Flat
Exposure to outdoor air pollution in Liberia, 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
The most recent figure for exposure to outdoor air pollution in Liberia is 17.2 µg/m³, measured in 2024.
Compared with earlier readings it is up 11.7% on the previous year and up 11.7% over ten years.
Over the whole period, exposure to outdoor air pollution in Liberia peaked at 18.9 µg/m³ in 2009 and was at its lowest, 14.3 µg/m³, in 2003.
Liberia ranks 99th of 241 countries on this measure, in the middle of the range.
Exposure to outdoor air pollution in Liberia, year by year
| Year | µg/m³ | Change |
|---|---|---|
| 1998 | 17.4 µg/m³ | — |
| 1999 | 16.5 µg/m³ | -5.2% |
| 2000 | 15.1 µg/m³ | -8.5% |
| 2001 | 15.1 µg/m³ | +0.0% |
| 2002 | 15.4 µg/m³ | +2.0% |
| 2003 | 14.3 µg/m³ | -7.1% |
| 2004 | 15.7 µg/m³ | +9.8% |
| 2005 | 17.3 µg/m³ | +10.2% |
| 2006 | 15 µg/m³ | -13.3% |
| 2007 | 16.8 µg/m³ | +12.0% |
| 2008 | 17.7 µg/m³ | +5.4% |
| 2009 | 18.9 µg/m³ | +6.8% |
| 2010 | 15.4 µg/m³ | -18.5% |
| 2011 | 18.6 µg/m³ | +20.8% |
| 2012 | 16.2 µg/m³ | -12.9% |
| 2013 | 16.7 µg/m³ | +3.1% |
| 2014 | 15.4 µg/m³ | -7.8% |
| 2015 | 18.3 µg/m³ | +18.8% |
| 2016 | 17 µg/m³ | -7.1% |
| 2017 | 16.5 µg/m³ | -2.9% |
| 2018 | 15.9 µg/m³ | -3.6% |
| 2019 | 15.5 µg/m³ | -2.5% |
| 2020 | 16.3 µg/m³ | +5.2% |
| 2021 | 15.4 µg/m³ | -5.5% |
| 2022 | 16.6 µg/m³ | +7.8% |
| 2023 | 15.4 µg/m³ | -7.2% |
| 2024 | 17.2 µg/m³ | +11.7% |
Liberia compared with similar countries
- Liberia's 17.2 µg/m³ is below the median for low income countries, which is 30.8 µg/m³, 56% of the median. (25 countries reporting)
- Liberia's 17.2 µg/m³ is below the median for Sub-Saharan Africa, which is 25.2 µg/m³, 68% of the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 16.95 µg/m³ | 16.5 µg/m³ | 17.4 µg/m³ | 2 |
| 2000s | 16.13 µg/m³ | 14.3 µg/m³ | 18.9 µg/m³ | 10 |
| 2010s | 16.55 µg/m³ | 15.4 µg/m³ | 18.6 µg/m³ | 10 |
| 2020s | 16.18 µg/m³ | 15.4 µg/m³ | 17.2 µg/m³ | 5 |
Countries ranked near Liberia
- 96 Jamaica 17.6 µg/m³ compare
- 96 Serbia 17.6 µg/m³ compare
- 98 Morocco 17.4 µg/m³ compare
- 99 Montenegro 17.2 µg/m³ compare
- 101 Libya 17.1 µg/m³ compare
- 102 Cape Verde 17 µg/m³ compare
- 102 Kyrgyzstan 17 µg/m³ compare
- 102 Mozambique 17 µg/m³ compare
More environment data for Liberia
- Historical exposure to drought — Land soil moisture anomaly -4.21 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -4.28 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.221 °C (2025)
- Temperature change 1.42 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 1.07 % 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 0.261 % 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 Liberia?
- Exposure to outdoor air pollution in Liberia was 17.2 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 Liberia?
- The highest recorded value was 18.9 µg/m³ in 2009.
- What is the lowest exposure to outdoor air pollution recorded in Liberia?
- The lowest recorded value was 14.3 µg/m³ in 2003.
- How does Liberia rank for exposure to outdoor air pollution?
- Liberia ranks 99th out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Liberia?
- Over the last ten years it is up 11.7%. The long-run trend across the full record is flat.
- Where does this Liberia 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.