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.
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% (2024)
- Protected area coverage of marine key biodiversity areas 100.0% (2024)
- 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.