Exposure to outdoor air pollution in Cambodia
Cambodia: Exposure to outdoor air pollution was 19 µg/m³ in 2024. ▲ Rising
Exposure to outdoor air pollution in Cambodia, 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
Cambodia recorded 19 µg/m³ for exposure to outdoor air pollution in 2024.
That represents a change of down 4.0% on the previous year and up 7.3% over ten years.
Over the whole period, exposure to outdoor air pollution in Cambodia peaked at 20 µg/m³ in 2004 and was at its lowest, 14.5 µg/m³, in 1998.
Cambodia ranks 92nd 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 | 14.5 µg/m³ | 14.5 µg/m³ | 14.5 µg/m³ | 2 |
| 2000s | 17.57 µg/m³ | 14.9 µg/m³ | 20 µg/m³ | 10 |
| 2010s | 17.31 µg/m³ | 14.8 µg/m³ | 19.5 µg/m³ | 10 |
| 2020s | 19.04 µg/m³ | 18 µg/m³ | 19.8 µg/m³ | 5 |
Countries ranked near Cambodia
More environment data for Cambodia
- Total greenhouse gas emissions excluding LULUCF 49.83 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 2.83 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 23.83 Mt CO2e (2024)
- Methane (CH4) emissions from Building (Energy) 0.4396 Mt CO2e (2024)
- Methane (CH4) emissions from Fugitive Emissions (Energy) 0.7904 Mt CO2e (2024)
- Methane (CH4) emissions from Industrial Combustion (Energy) 0.052 Mt CO2e (2024)
- Methane (CH4) emissions (total) excluding LULUCF 26.66 Mt CO2e (2024)
- Methane (CH4) emissions from Power Industry (Energy) 0.0013 Mt CO2e (2024)
- Methane (CH4) emissions from Transport (Energy) 0.0294 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 1.52 Mt CO2e (2024)
Frequently asked questions
- What is exposure to outdoor air pollution in Cambodia?
- Exposure to outdoor air pollution in Cambodia was 19 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 Cambodia?
- The highest recorded value was 20 µg/m³ in 2004.
- What is the lowest exposure to outdoor air pollution recorded in Cambodia?
- The lowest recorded value was 14.5 µg/m³ in 1998.
- How does Cambodia rank for exposure to outdoor air pollution?
- Cambodia ranks 92nd out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Cambodia?
- Over the last ten years it is up 7.3%. The long-run trend across the full record is rising.
- Where does this Cambodia 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.