Exposure to outdoor air pollution in Cocos Islands
Cocos Islands: Exposure to outdoor air pollution was 4 µg/m³ in 2024. ▲ Rising
Exposure to outdoor air pollution in Cocos Islands, 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
The most recent figure for exposure to outdoor air pollution in Cocos Islands is 4 µg/m³, measured in 2024.
That represents a change of down 16.7% on the previous year and unchanged over ten years.
Over the whole period, exposure to outdoor air pollution in Cocos Islands peaked at 4.9 µg/m³ in 2016 and was at its lowest, 2.7 µg/m³, in 1998.
That places Cocos Islands 221st out of 241 countries with data for 2024, putting it in the bottom quarter.
The long-run direction has been consistently rising across the 27 years of available data.
Exposure to outdoor air pollution in Cocos Islands, year by year
| Year | µg/m³ | Change |
|---|---|---|
| 1998 | 2.7 µg/m³ | — |
| 1999 | 3.1 µg/m³ | +14.8% |
| 2000 | 3.2 µg/m³ | +3.2% |
| 2001 | 2.9 µg/m³ | -9.4% |
| 2002 | 3.1 µg/m³ | +6.9% |
| 2003 | 2.9 µg/m³ | -6.5% |
| 2004 | 3.6 µg/m³ | +24.1% |
| 2005 | 3 µg/m³ | -16.7% |
| 2006 | 3.9 µg/m³ | +30.0% |
| 2007 | 4 µg/m³ | +2.6% |
| 2008 | 3.2 µg/m³ | -20.0% |
| 2009 | 3.6 µg/m³ | +12.5% |
| 2010 | 3.6 µg/m³ | +0.0% |
| 2011 | 3.5 µg/m³ | -2.8% |
| 2012 | 3.8 µg/m³ | +8.6% |
| 2013 | 4.3 µg/m³ | +13.2% |
| 2014 | 4 µg/m³ | -7.0% |
| 2015 | 4.7 µg/m³ | +17.5% |
| 2016 | 4.9 µg/m³ | +4.3% |
| 2017 | 4.7 µg/m³ | -4.1% |
| 2018 | 4.3 µg/m³ | -8.5% |
| 2019 | 4.6 µg/m³ | +7.0% |
| 2020 | 4 µg/m³ | -13.0% |
| 2021 | 4.1 µg/m³ | +2.5% |
| 2022 | 4.4 µg/m³ | +7.3% |
| 2023 | 4.8 µg/m³ | +9.1% |
| 2024 | 4 µg/m³ | -16.7% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 2.9 µg/m³ | 2.7 µg/m³ | 3.1 µg/m³ | 2 |
| 2000s | 3.34 µg/m³ | 2.9 µg/m³ | 4 µg/m³ | 10 |
| 2010s | 4.24 µg/m³ | 3.5 µg/m³ | 4.9 µg/m³ | 10 |
| 2020s | 4.26 µg/m³ | 4 µg/m³ | 4.8 µg/m³ | 5 |
Countries ranked near Cocos Islands
- 218 Aland Islands 4.3 µg/m³ compare
- 219 Saint Helena 4.1 µg/m³ compare
- 219 Samoa 4.1 µg/m³ compare
- 221 Faroe Islands 4 µg/m³ compare
- 221 Tokelau 4 µg/m³ compare
- 221 Wallis and Futuna 4 µg/m³ compare
More environment data for Cocos Islands
- Exposure to air pollution from human sources 1.81 micrograms per cubic meter (2024)
- Share of terrestrial Key Biodiversity Areas that are protected 100.0% (2025)
- Protected area coverage of marine key biodiversity areas 100.0% (2025)
- Forest certified for sustainable use 0 thousands of hectares (2024)
Frequently asked questions
- What is exposure to outdoor air pollution in Cocos Islands?
- Exposure to outdoor air pollution in Cocos Islands was 4 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 Cocos Islands?
- The highest recorded value was 4.9 µg/m³ in 2016.
- What is the lowest exposure to outdoor air pollution recorded in Cocos Islands?
- The lowest recorded value was 2.7 µg/m³ in 1998.
- How does Cocos Islands rank for exposure to outdoor air pollution?
- Cocos Islands ranks 221st out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Cocos Islands?
- Over the last ten years it is unchanged. The long-run trend across the full record is rising.
- Where does this Cocos Islands 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.