American Samoa vs Micronesia (country): Average annual exposure to PM2.5 air pollution
Average annual exposure to PM2.5 air pollution over time
- American Samoa
- Micronesia (country)
How they compare
American Samoa currently reports 4.33 micrograms per cubic meter against 3.52 micrograms per cubic meter in Micronesia (country), a difference of 0.81 micrograms per cubic meter.
That makes American Samoa's figure about 1.2 times Micronesia (country)'s.
The two have swapped places 4 times across 34 shared years of data; in 1990 it was American Samoa ahead.
American Samoa ranks 194th and Micronesia (country) ranks 197th of 200 countries.
American Samoa has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | American Samoa | Micronesia (country) | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 4.74 micrograms per cubic meter | 4.66 micrograms per cubic meter | 0.0834 micrograms per cubic meter | American Samoa |
| 2000s | 4.7 micrograms per cubic meter | 4.69 micrograms per cubic meter | 0.0022 micrograms per cubic meter | American Samoa |
| 2010s | 4.26 micrograms per cubic meter | 4.24 micrograms per cubic meter | 0.0215 micrograms per cubic meter | American Samoa |
| 2020s | 4.22 micrograms per cubic meter | 3.66 micrograms per cubic meter | 0.559 micrograms per cubic meter | American 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 Micronesia (country)?
- American Samoa, at 4.33 micrograms per cubic meter against 3.52 micrograms per cubic meter in Micronesia (country) as of 2023.
- What is the difference in average annual exposure to pm2.5 air pollution between American Samoa and Micronesia (country)?
- 0.81 micrograms per cubic meter, with American Samoa ahead.
- How many years of comparable data are there for American Samoa and Micronesia (country)?
- 34 years are reported by both, from 1990 to 2023.
- How do American Samoa and Micronesia (country) rank globally for average annual exposure to pm2.5 air pollution?
- American Samoa ranks 194th and Micronesia (country) ranks 197th 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.