Marshall Islands vs Pitcairn: Exposure to outdoor air pollution
Exposure to outdoor air pollution over time
- Marshall Islands
- Pitcairn
How they compare
Pitcairn currently reports 3.1 µg/m³ against 2.8 µg/m³ in Marshall Islands, a difference of 0.3 µg/m³.
That makes Pitcairn's figure about 1.1 times Marshall Islands's.
The two have swapped places 8 times across 27 shared years of data; in 1998 it was Pitcairn ahead.
Marshall Islands ranks 237th and Pitcairn ranks 236th of 241 countries.
Across the 4 decades both report, Marshall Islands averaged higher in 2 and Pitcairn in 2.
Head to head by decade
| Decade | Marshall Islands | Pitcairn | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 2.6 µg/m³ | 2.7 µg/m³ | 0.1 µg/m³ | Pitcairn |
| 2000s | 3.18 µg/m³ | 3.23 µg/m³ | 0.05 µg/m³ | Pitcairn |
| 2010s | 3.65 µg/m³ | 3.05 µg/m³ | 0.6 µg/m³ | Marshall Islands |
| 2020s | 3.26 µg/m³ | 3.04 µg/m³ | 0.22 µg/m³ | Marshall Islands |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Marshall Islands or Pitcairn?
- Pitcairn, at 3.1 µg/m³ against 2.8 µg/m³ in Marshall Islands as of 2024.
- What is the difference in exposure to outdoor air pollution between Marshall Islands and Pitcairn?
- 0.3 µg/m³, with Pitcairn ahead.
- How many years of comparable data are there for Marshall Islands and Pitcairn?
- 27 years are reported by both, from 1998 to 2024.
- How do Marshall Islands and Pitcairn rank globally for exposure to outdoor air pollution?
- Marshall Islands ranks 237th and Pitcairn ranks 236th of 241 countries.
- Where does this data come from?
- SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data, published as Exposure to outdoor air pollution. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
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.