Exposure to outdoor air pollution in Christmas Island
Christmas Island: Exposure to outdoor air pollution was 3.7 µg/m³ in 2024. ▬ Flat
Exposure to outdoor air pollution in Christmas Island, 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
Christmas Island recorded 3.7 µg/m³ for exposure to outdoor air pollution in 2024. That is the lowest value across all 27 years on record.
Compared with earlier readings it is down 19.6% on the previous year and down 38.3% over ten years.
Over the whole period, exposure to outdoor air pollution in Christmas Island peaked at 6 µg/m³ in 2014 and was at its lowest, 3.7 µg/m³, in 2021.
Christmas Island ranks 229th of 241 countries on this measure, in the bottom quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 4.7 µg/m³ | 4.5 µg/m³ | 4.9 µg/m³ | 2 |
| 2000s | 4.55 µg/m³ | 3.9 µg/m³ | 5.4 µg/m³ | 10 |
| 2010s | 5.03 µg/m³ | 4.2 µg/m³ | 6 µg/m³ | 10 |
| 2020s | 4.26 µg/m³ | 3.7 µg/m³ | 5.2 µg/m³ | 5 |
Countries ranked near Christmas Island
- 226 American Samoa 3.8 µg/m³ compare
- 226 Nauru 3.8 µg/m³ compare
- 226 Tonga 3.8 µg/m³ compare
- 229 Kiribati 3.7 µg/m³ compare
- 231 French Polynesia 3.6 µg/m³ compare
- 232 Norfolk Island 3.5 µg/m³ compare
More environment data for Christmas Island
- Exposure to air pollution from human sources 2.08 micrograms per cubic meter (2024)
- Share of terrestrial Key Biodiversity Areas that are protected 63.0% (2024)
- Protected area coverage of marine key biodiversity areas 63.0% (2024)
- Forest certified for sustainable use 0 thousands of hectares (2024)
Frequently asked questions
- What is exposure to outdoor air pollution in Christmas Island?
- Exposure to outdoor air pollution in Christmas Island was 3.7 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 Christmas Island?
- The highest recorded value was 6 µg/m³ in 2014.
- What is the lowest exposure to outdoor air pollution recorded in Christmas Island?
- The lowest recorded value was 3.7 µg/m³ in 2021.
- How does Christmas Island rank for exposure to outdoor air pollution?
- Christmas Island ranks 229th out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Christmas Island?
- Over the last ten years it is down 38.3%. The long-run trend across the full record is flat.
- Where does this Christmas Island 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.