Samoa vs Tokelau: Exposure to outdoor air pollution
Samoa
4.1 µg/m³
in 2024
Tokelau
4 µg/m³
in 2024
Samoa rank
219th
Tokelau rank
221st
Exposure to outdoor air pollution over time
- Samoa
- Tokelau
How they compare
Samoa currently reports 4.1 µg/m³ against 4 µg/m³ in Tokelau, a difference of 0.1 µg/m³.
The two have swapped places 12 times across 27 shared years of data; in 1998 it was Samoa ahead.
Samoa ranks 219th and Tokelau ranks 221st of 241 countries.
Tokelau has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Samoa | Tokelau | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 3.25 µg/m³ | 3.25 µg/m³ | 0 µg/m³ | — |
| 2000s | 3.83 µg/m³ | 4.03 µg/m³ | 0.2 µg/m³ | Tokelau |
| 2010s | 4.06 µg/m³ | 4.09 µg/m³ | 0.03 µg/m³ | Tokelau |
| 2020s | 3.92 µg/m³ | 4.02 µg/m³ | 0.1 µg/m³ | Tokelau |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Samoa or Tokelau?
- Samoa, at 4.1 µg/m³ against 4 µg/m³ in Tokelau as of 2024.
- What is the difference in exposure to outdoor air pollution between Samoa and Tokelau?
- 0.1 µg/m³, with Samoa ahead.
- How many years of comparable data are there for Samoa and Tokelau?
- 27 years are reported by both, from 1998 to 2024.
- How do Samoa and Tokelau rank globally for exposure to outdoor air pollution?
- Samoa ranks 219th and Tokelau ranks 221st 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.