Exposure to outdoor air pollution in Singapore
Singapore: Exposure to outdoor air pollution was 12.2 µg/m³ in 2024. ▲ Rising
Exposure to outdoor air pollution in Singapore, 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
In 2024, exposure to outdoor air pollution in Singapore stood at 12.2 µg/m³.
The figure is down 2.4% on the previous year and down 21.3% over ten years.
Over the whole period, exposure to outdoor air pollution in Singapore peaked at 24.9 µg/m³ in 2015 and was at its lowest, 8.5 µg/m³, in 1998.
Singapore ranks 145th of 241 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 27 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 9.35 µg/m³ | 8.5 µg/m³ | 10.2 µg/m³ | 2 |
| 2000s | 13.16 µg/m³ | 9.2 µg/m³ | 22 µg/m³ | 10 |
| 2010s | 14.37 µg/m³ | 8.6 µg/m³ | 24.9 µg/m³ | 10 |
| 2020s | 10.98 µg/m³ | 9 µg/m³ | 12.5 µg/m³ | 5 |
Countries ranked near Singapore
More environment data for Singapore
- Total greenhouse gas emissions excluding LULUCF 76.09 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 12.6 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 0.0073 Mt CO2e (2024)
- Methane (CH4) emissions from Building (Energy) 0.0019 Mt CO2e (2024)
- Methane (CH4) emissions from Fugitive Emissions (Energy) 0.4457 Mt CO2e (2024)
- Methane (CH4) emissions from Industrial Combustion (Energy) 0.0097 Mt CO2e (2024)
- Methane (CH4) emissions (total) excluding LULUCF 4.75 Mt CO2e (2024)
- Methane (CH4) emissions from Power Industry (Energy) 0.0637 Mt CO2e (2024)
- Methane (CH4) emissions from Transport (Energy) 0.0292 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 4.11 Mt CO2e (2024)
Frequently asked questions
- What is exposure to outdoor air pollution in Singapore?
- Exposure to outdoor air pollution in Singapore was 12.2 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 Singapore?
- The highest recorded value was 24.9 µg/m³ in 2015.
- What is the lowest exposure to outdoor air pollution recorded in Singapore?
- The lowest recorded value was 8.5 µg/m³ in 1998.
- How does Singapore rank for exposure to outdoor air pollution?
- Singapore ranks 145th out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Singapore?
- Over the last ten years it is down 21.3%. The long-run trend across the full record is rising.
- Where does this Singapore 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.