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.
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
- Total greenhouse gas emissions excluding LULUCF 0.004 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 0.1065 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 0 Mt CO2e (2023)
- Methane (CH4) emissions (total) excluding LULUCF 0.0026 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 0.0026 Mt CO2e (2024)
- Carbon dioxide (CO2) emissions from Industrial Processes 0.0001 Mt CO2e (2024)
- Carbon dioxide (CO2) emissions (total) excluding LULUCF 0.0001 Mt CO2e (2024)
- Carbon dioxide (CO2) emissions excluding LULUCF per capita 0.0027 t CO2e/capita (2024)
- Carbon intensity of GDP 0.0005 kg CO2e per constant 2015 US$ of GDP (2024)
- Nitrous oxide (N2O) emissions from Agriculture 0 Mt CO2e (2023)
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.