Outdoor air pollution exposure in Samoa
Samoa: Outdoor air pollution exposure was 4.1 in 2024. ▲ Rising
Latest (2024)
4.1
Change on year
down 4.7%
World rank
219th
of 241 countries
All-time high
4.8
in 2015
All-time low
2.9
in 1999
Years of data
27
1998–2024
Outdoor air pollution exposure in Samoa, 1998–2024
Source: Our World in Data.
Analysis
The most recent figure for outdoor air pollution exposure in Samoa is 4.1, measured in 2024.
Compared with earlier readings it is down 4.7% on the previous year and unchanged over ten years.
Over the whole period, outdoor air pollution exposure in Samoa peaked at 4.8 in 2015 and was at its lowest, 2.9, in 1999.
Samoa ranks 219th 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.
Outdoor air pollution exposure in Samoa, year by year
| Year | Value | Change |
|---|---|---|
| 1998 | 3.6 | — |
| 1999 | 2.9 | -19.4% |
| 2000 | 3.6 | +24.1% |
| 2001 | 3.9 | +8.3% |
| 2002 | 3.6 | -7.7% |
| 2003 | 3.7 | +2.8% |
| 2004 | 3.7 | +0.0% |
| 2005 | 4 | +8.1% |
| 2006 | 4.3 | +7.5% |
| 2007 | 4.2 | -2.3% |
| 2008 | 3.6 | -14.3% |
| 2009 | 3.7 | +2.8% |
| 2010 | 3.8 | +2.7% |
| 2011 | 3.6 | -5.3% |
| 2012 | 3.6 | +0.0% |
| 2013 | 3.7 | +2.8% |
| 2014 | 4.1 | +10.8% |
| 2015 | 4.8 | +17.1% |
| 2016 | 4.2 | -12.5% |
| 2017 | 4.5 | +7.1% |
| 2018 | 4.3 | -4.4% |
| 2019 | 4 | -7.0% |
| 2020 | 3.8 | -5.0% |
| 2021 | 3.1 | -18.4% |
| 2022 | 4.3 | +38.7% |
| 2023 | 4.3 | +0.0% |
| 2024 | 4.1 | -4.7% |
Samoa compared with similar countries
- Samoa's 4.1 is below the median for upper middle income countries, which is 17.15, 24% of the median. (58 countries reporting)
- Samoa's 4.1 is below the median for East Asia & Pacific, which is 8.9, 46% of the median. (37 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 3.25 | 2.9 | 3.6 | 2 |
| 2000s | 3.83 | 3.6 | 4.3 | 10 |
| 2010s | 4.06 | 3.6 | 4.8 | 10 |
| 2020s | 3.92 | 3.1 | 4.3 | 5 |
Countries ranked near Samoa
- 216 Iceland 4.6 compare
- 217 Tuvalu 4.5 compare
- 218 Aland Islands 4.3 compare
- 219 Saint Helena 4.1 compare
- 221 Cocos Islands 4 compare
- 221 Faroe Islands 4 compare
- 221 Tokelau 4 compare
- 221 Wallis and Futuna 4 compare
More environment data for Samoa
- Grazing land use over the long-term, annual growth rate -5.07 % change on previous year (2025)
- Grazing land use over the long-term, per unit of GDP 0 hectares per US$ of GDP (2025)
- Grazing land use over the long-term, per capita 0.0241 hectares per person (2025)
- Historical exposure to drought — Land soil moisture anomaly 0.3482 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 0.3183 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.23 °C (2025)
- Temperature change 0.919 °C (2025)
- Grazing land use over the long-term, per square kilometre 2 hectares per square kilometre (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 2.68 % change on previous year (2024)
Frequently asked questions
- What is outdoor air pollution exposure in Samoa?
- Outdoor air pollution exposure in Samoa was 4.1 in 2024, according to Our World in Data.
- What is the highest outdoor air pollution exposure recorded in Samoa?
- The highest recorded value was 4.8 in 2015.
- What is the lowest outdoor air pollution exposure recorded in Samoa?
- The lowest recorded value was 2.9 in 1999.
- How does Samoa rank for outdoor air pollution exposure?
- Samoa ranks 219th out of 241 countries with data for 2024.
- Is outdoor air pollution exposure rising or falling in Samoa?
- Over the last ten years it is unchanged. The long-run trend across the full record is rising.
- Where does this Samoa data come from?
- The figures come from Our World in Data, published as part of Outdoor air pollution exposure. 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).