Exposure to outdoor air pollution in Marshall Islands
Marshall Islands: Exposure to outdoor air pollution was 2.8 µg/m³ in 2024. ▲ Rising
Exposure to outdoor air pollution in Marshall 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
Marshall Islands recorded 2.8 µg/m³ for exposure to outdoor air pollution in 2024.
The figure is down 20.0% on the previous year and down 20.0% over ten years.
Over the whole period, exposure to outdoor air pollution in Marshall Islands peaked at 4.1 µg/m³ in 2015 and was at its lowest, 2.6 µg/m³, in 1998.
Marshall Islands ranks 237th 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.
Exposure to outdoor air pollution in Marshall Islands, year by year
| Year | µg/m³ | Change |
|---|---|---|
| 1998 | 2.6 µg/m³ | — |
| 1999 | 2.6 µg/m³ | +0.0% |
| 2000 | 3 µg/m³ | +15.4% |
| 2001 | 3.1 µg/m³ | +3.3% |
| 2002 | 3.2 µg/m³ | +3.2% |
| 2003 | 2.9 µg/m³ | -9.4% |
| 2004 | 3 µg/m³ | +3.4% |
| 2005 | 3.1 µg/m³ | +3.3% |
| 2006 | 3.4 µg/m³ | +9.7% |
| 2007 | 3.4 µg/m³ | +0.0% |
| 2008 | 3.4 µg/m³ | +0.0% |
| 2009 | 3.3 µg/m³ | -2.9% |
| 2010 | 3.9 µg/m³ | +18.2% |
| 2011 | 3.9 µg/m³ | +0.0% |
| 2012 | 3.2 µg/m³ | -17.9% |
| 2013 | 3.4 µg/m³ | +6.2% |
| 2014 | 3.5 µg/m³ | +2.9% |
| 2015 | 4.1 µg/m³ | +17.1% |
| 2016 | 3.5 µg/m³ | -14.6% |
| 2017 | 3.5 µg/m³ | +0.0% |
| 2018 | 4 µg/m³ | +14.3% |
| 2019 | 3.5 µg/m³ | -12.5% |
| 2020 | 3.4 µg/m³ | -2.9% |
| 2021 | 3 µg/m³ | -11.8% |
| 2022 | 3.6 µg/m³ | +20.0% |
| 2023 | 3.5 µg/m³ | -2.8% |
| 2024 | 2.8 µg/m³ | -20.0% |
Marshall Islands compared with similar countries
- Marshall Islands's 2.8 µg/m³ is below the median for upper middle income countries, which is 17.15 µg/m³, 16% of the median. (58 countries reporting)
- Marshall Islands's 2.8 µg/m³ is below the median for East Asia & Pacific, which is 8.9 µg/m³, 31% of the median. (37 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 2.6 µg/m³ | 2.6 µg/m³ | 2.6 µg/m³ | 2 |
| 2000s | 3.18 µg/m³ | 2.9 µg/m³ | 3.4 µg/m³ | 10 |
| 2010s | 3.65 µg/m³ | 3.2 µg/m³ | 4.1 µg/m³ | 10 |
| 2020s | 3.26 µg/m³ | 2.8 µg/m³ | 3.6 µg/m³ | 5 |
Countries ranked near Marshall Islands
- 235 Niue 3.2 µg/m³ compare
- 236 Pitcairn 3.1 µg/m³ compare
- 238 Micronesia (country) 2.3 µg/m³ compare
- 239 Guam 1.9 µg/m³ compare
- 240 Northern Mariana Islands 1.5 µg/m³ compare
More environment data for Marshall Islands
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.212 °C (2025)
- Temperature change 0.507 °C (2025)
- Roundwood — Export quantity 0 m3 (2024)
- Roundwood — Import quantity 43 m3 (2024)
- Roundwood — Import value 13 1000 USD (2024)
- Wood-based panels — Import value 987 1000 USD (2024)
- Printing and writing papers — Import quantity 79 t (2024)
- Printing and writing papers — Import value 141 1000 USD (2024)
- Primary wood and paper products (export/import) — Export value 110 1000 USD (2024)
Frequently asked questions
- What is exposure to outdoor air pollution in Marshall Islands?
- Exposure to outdoor air pollution in Marshall Islands was 2.8 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 Marshall Islands?
- The highest recorded value was 4.1 µg/m³ in 2015.
- What is the lowest exposure to outdoor air pollution recorded in Marshall Islands?
- The lowest recorded value was 2.6 µg/m³ in 1998.
- How does Marshall Islands rank for exposure to outdoor air pollution?
- Marshall Islands ranks 237th out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Marshall Islands?
- Over the last ten years it is down 20.0%. The long-run trend across the full record is rising.
- Where does this Marshall 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.