Exposure to outdoor air pollution in Palau
Palau: Exposure to outdoor air pollution was 3.3 µg/m³ in 2024. ▬ Flat
Exposure to outdoor air pollution in Palau, 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 Palau stood at 3.3 µg/m³.
The figure is down 29.8% on the previous year and down 41.1% over ten years.
Over the whole period, exposure to outdoor air pollution in Palau peaked at 6.6 µg/m³ in 2015 and was at its lowest, 3.1 µg/m³, in 1998.
That places Palau 233rd out of 241 countries with data for 2024, putting it in the bottom quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 3.45 µg/m³ | 3.1 µg/m³ | 3.8 µg/m³ | 2 |
| 2000s | 4.55 µg/m³ | 3.8 µg/m³ | 5.2 µg/m³ | 10 |
| 2010s | 4.66 µg/m³ | 3.4 µg/m³ | 6.6 µg/m³ | 10 |
| 2020s | 3.94 µg/m³ | 3.3 µg/m³ | 4.7 µg/m³ | 5 |
Countries ranked near Palau
- 231 French Polynesia 3.6 µg/m³ compare
- 232 Norfolk Island 3.5 µg/m³ compare
- 233 Cook Islands 3.3 µg/m³ compare
- 235 Niue 3.2 µg/m³ compare
- 236 Pitcairn 3.1 µg/m³ compare
More environment data for Palau
- Total greenhouse gas emissions excluding LULUCF 1.53 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 86.68 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 0 Mt CO2e (2023)
- Methane (CH4) emissions from Building (Energy) 0.0003 Mt CO2e (2024)
- Methane (CH4) emissions from Fugitive Emissions (Energy) 0.0323 Mt CO2e (2024)
- Methane (CH4) emissions from Industrial Combustion (Energy) 0.0001 Mt CO2e (2024)
- Methane (CH4) emissions (total) excluding LULUCF 0.0388 Mt CO2e (2024)
- Methane (CH4) emissions from Power Industry (Energy) 0.0005 Mt CO2e (2024)
- Methane (CH4) emissions from Transport (Energy) 0.0016 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 0.0039 Mt CO2e (2024)
Frequently asked questions
- What is exposure to outdoor air pollution in Palau?
- Exposure to outdoor air pollution in Palau was 3.3 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 Palau?
- The highest recorded value was 6.6 µg/m³ in 2015.
- What is the lowest exposure to outdoor air pollution recorded in Palau?
- The lowest recorded value was 3.1 µg/m³ in 1998.
- How does Palau rank for exposure to outdoor air pollution?
- Palau ranks 233rd out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Palau?
- Over the last ten years it is down 41.1%. The long-run trend across the full record is flat.
- Where does this Palau 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.