Aland Islands vs Samoa: Exposure to outdoor air pollution
Aland Islands
4.3 µg/m³
in 2024
Samoa
4.1 µg/m³
in 2024
Aland Islands rank
218th
Samoa rank
219th
Exposure to outdoor air pollution over time
- Aland Islands
- Samoa
How they compare
Aland Islands currently reports 4.3 µg/m³ against 4.1 µg/m³ in Samoa, a difference of 0.2 µg/m³.
The two have swapped places 6 times across 27 shared years of data; in 1998 it was Aland Islands ahead.
Aland Islands ranks 218th and Samoa ranks 219th of 241 countries.
Aland Islands has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Aland Islands | Samoa | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 7.4 µg/m³ | 3.25 µg/m³ | 4.15 µg/m³ | Aland Islands |
| 2000s | 6.5 µg/m³ | 3.83 µg/m³ | 2.67 µg/m³ | Aland Islands |
| 2010s | 5.32 µg/m³ | 4.06 µg/m³ | 1.26 µg/m³ | Aland Islands |
| 2020s | 4.28 µg/m³ | 3.92 µg/m³ | 0.36 µg/m³ | Aland Islands |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Aland Islands or Samoa?
- Aland Islands, at 4.3 µg/m³ against 4.1 µg/m³ in Samoa as of 2024.
- What is the difference in exposure to outdoor air pollution between Aland Islands and Samoa?
- 0.2 µg/m³, with Aland Islands ahead.
- How many years of comparable data are there for Aland Islands and Samoa?
- 27 years are reported by both, from 1998 to 2024.
- How do Aland Islands and Samoa rank globally for exposure to outdoor air pollution?
- Aland Islands ranks 218th and Samoa ranks 219th 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.