Exposure to outdoor air pollution in American Samoa
American Samoa: Exposure to outdoor air pollution was 3.8 µg/m³ in 2024. ▲ Rising
Exposure to outdoor air pollution in American Samoa, 1998–2024
Source: SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data. Measured in µg/m³.
Analysis
In 2024, exposure to outdoor air pollution in American Samoa stood at 3.8 µg/m³.
The figure is down 5.0% on the previous year and up 5.6% over ten years.
Over the whole period, exposure to outdoor air pollution in American Samoa peaked at 4.2 µg/m³ in 2015 and was at its lowest, 2.4 µg/m³, in 1999.
American Samoa ranks 226th of 241 countries on this measure, in the bottom quarter.
The long-run direction has been consistently rising across the 27 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 2.75 µg/m³ | 2.4 µg/m³ | 3.1 µg/m³ | 2 |
| 2000s | 3.49 µg/m³ | 3.2 µg/m³ | 3.9 µg/m³ | 10 |
| 2010s | 3.72 µg/m³ | 3.3 µg/m³ | 4.2 µg/m³ | 10 |
| 2020s | 3.66 µg/m³ | 2.9 µg/m³ | 4.1 µg/m³ | 5 |
Countries ranked near American Samoa
More environment data for American Samoa
- Total greenhouse gas emissions excluding LULUCF 0.0089 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 0.1903 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 0.004 Mt CO2e (2024)
- Methane (CH4) emissions (total) excluding LULUCF 0.0067 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 0.0027 Mt CO2e (2024)
- Carbon dioxide (CO2) emissions from Industrial Processes 0.0001 Mt CO2e (2024)
- Carbon dioxide (CO2) emissions (total) excluding LULUCF 0.0001 Mt CO2e (2024)
- Carbon dioxide (CO2) emissions excluding LULUCF per capita 0.0021 t CO2e/capita (2024)
- Carbon intensity of GDP 0.0002 kg CO2e per constant 2015 US$ of GDP (2022)
- Nitrous oxide (N2O) emissions from Agriculture 0.001 Mt CO2e (2024)
Frequently asked questions
- What is exposure to outdoor air pollution in American Samoa?
- Exposure to outdoor air pollution in American Samoa was 3.8 µg/m³ in 2024, according to SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data.
- What is the highest exposure to outdoor air pollution recorded in American Samoa?
- The highest recorded value was 4.2 µg/m³ in 2015.
- What is the lowest exposure to outdoor air pollution recorded in American Samoa?
- The lowest recorded value was 2.4 µg/m³ in 1999.
- How does American Samoa rank for exposure to outdoor air pollution?
- American Samoa ranks 226th out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in American Samoa?
- Over the last ten years it is up 5.6%. The long-run trend across the full record is rising.
- Where does this American Samoa data come from?
- The figures come from SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data, published as part of Exposure to outdoor air pollution. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 27 observations, free to reuse under CC BY 4.0 (Our World in Data).
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.