Niue vs Palau: Exposure to outdoor air pollution
Niue
3.2 µg/m³
in 2024
Palau
3.3 µg/m³
in 2024
Niue rank
235th
Palau rank
233rd
Exposure to outdoor air pollution over time
- Niue
- Palau
How they compare
Palau currently reports 3.3 µg/m³ against 3.2 µg/m³ in Niue, a difference of 0.1 µg/m³.
The two have swapped places 2 times across 27 shared years of data; in 1998 it was Palau ahead.
Niue ranks 235th and Palau ranks 233rd of 241 countries.
Palau has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Niue | Palau | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 2.8 µg/m³ | 3.45 µg/m³ | 0.65 µg/m³ | Palau |
| 2000s | 3.15 µg/m³ | 4.55 µg/m³ | 1.4 µg/m³ | Palau |
| 2010s | 3.08 µg/m³ | 4.66 µg/m³ | 1.58 µg/m³ | Palau |
| 2020s | 3.22 µg/m³ | 3.94 µg/m³ | 0.72 µg/m³ | Palau |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Niue or Palau?
- Palau, at 3.3 µg/m³ against 3.2 µg/m³ in Niue as of 2024.
- What is the difference in exposure to outdoor air pollution between Niue and Palau?
- 0.1 µg/m³, with Palau ahead.
- How many years of comparable data are there for Niue and Palau?
- 27 years are reported by both, from 1998 to 2024.
- How do Niue and Palau rank globally for exposure to outdoor air pollution?
- Niue ranks 235th and Palau ranks 233rd of 241 countries.
- Where does this data come from?
- SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data, published as Exposure to outdoor air pollution. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
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.