Exposure to outdoor air pollution in Macao
Macao: Exposure to outdoor air pollution was 19.7 µg/m³ in 2024. ▼ Falling
Exposure to outdoor air pollution in Macao, 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
Macao recorded 19.7 µg/m³ for exposure to outdoor air pollution in 2024.
The figure is down 2.0% on the previous year and down 38.6% over ten years.
Over the whole period, exposure to outdoor air pollution in Macao peaked at 34.7 µg/m³ in 2012 and was at its lowest, 18.6 µg/m³, in 1999.
Macao ranks 90th of 241 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 27 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 19.4 µg/m³ | 18.6 µg/m³ | 20.2 µg/m³ | 2 |
| 2000s | 30.56 µg/m³ | 25 µg/m³ | 34.1 µg/m³ | 10 |
| 2010s | 29.78 µg/m³ | 26 µg/m³ | 34.7 µg/m³ | 10 |
| 2020s | 19.64 µg/m³ | 19.1 µg/m³ | 20.1 µg/m³ | 5 |
Countries ranked near Macao
More environment data for Macao
- Total greenhouse gas emissions excluding LULUCF 1.82 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 2.65 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 0.002 Mt CO2e (2024)
- Methane (CH4) emissions from Building (Energy) 0.0013 Mt CO2e (2024)
- Methane (CH4) emissions from Fugitive Emissions (Energy) 0.0031 Mt CO2e (2024)
- Methane (CH4) emissions from Industrial Combustion (Energy) 0.0002 Mt CO2e (2024)
- Methane (CH4) emissions (total) excluding LULUCF 0.0451 Mt CO2e (2024)
- Methane (CH4) emissions from Power Industry (Energy) 0.0005 Mt CO2e (2024)
- Methane (CH4) emissions from Transport (Energy) 0.0025 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 0.0354 Mt CO2e (2024)
Frequently asked questions
- What is exposure to outdoor air pollution in Macao?
- Exposure to outdoor air pollution in Macao was 19.7 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 Macao?
- The highest recorded value was 34.7 µg/m³ in 2012.
- What is the lowest exposure to outdoor air pollution recorded in Macao?
- The lowest recorded value was 18.6 µg/m³ in 1999.
- How does Macao rank for exposure to outdoor air pollution?
- Macao ranks 90th out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Macao?
- Over the last ten years it is down 38.6%. The long-run trend across the full record is falling.
- Where does this Macao 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.