American Samoa vs Samoa: Average annual exposure to PM2.5 air pollution
American Samoa
4.33 micrograms per cubic meter
in 2023
Samoa
4.58 micrograms per cubic meter
in 2023
American Samoa rank
194th
Samoa rank
192nd
Average annual exposure to PM2.5 air pollution over time
- American Samoa
- Samoa
How they compare
Samoa currently reports 4.58 micrograms per cubic meter against 4.33 micrograms per cubic meter in American Samoa, a difference of 0.25 micrograms per cubic meter.
That makes Samoa's figure about 1.1 times American Samoa's.
The two have swapped places 2 times across 34 shared years of data; in 1990 it was Samoa ahead.
American Samoa ranks 194th and Samoa ranks 192nd of 200 countries.
Samoa has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | American Samoa | Samoa | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 4.74 micrograms per cubic meter | 4.94 micrograms per cubic meter | 0.1938 micrograms per cubic meter | Samoa |
| 2000s | 4.7 micrograms per cubic meter | 5 micrograms per cubic meter | 0.3087 micrograms per cubic meter | Samoa |
| 2010s | 4.26 micrograms per cubic meter | 4.62 micrograms per cubic meter | 0.3575 micrograms per cubic meter | Samoa |
| 2020s | 4.22 micrograms per cubic meter | 4.52 micrograms per cubic meter | 0.3021 micrograms per cubic meter | Samoa |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average annual exposure to pm2.5 air pollution, American Samoa or Samoa?
- Samoa, at 4.58 micrograms per cubic meter against 4.33 micrograms per cubic meter in American Samoa as of 2023.
- What is the difference in average annual exposure to pm2.5 air pollution between American Samoa and Samoa?
- 0.25 micrograms per cubic meter, with Samoa ahead.
- How many years of comparable data are there for American Samoa and Samoa?
- 34 years are reported by both, from 1990 to 2023.
- How do American Samoa and Samoa rank globally for average annual exposure to pm2.5 air pollution?
- American Samoa ranks 194th and Samoa ranks 192nd of 200 countries.
- Where does this data come from?
- Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data, published as Average annual exposure to PM2.5 air pollution. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The average level of exposure of the population to suspended particles less than 2.5 microns in diameter, which are capable of penetrating deep into the respiratory tract and damaging health. This is measured in micrograms per cubic meter.