Exposure to outdoor air pollution in Guam
Guam: Exposure to outdoor air pollution was 1.9 µg/m³ in 2024. ▲ Rising
Exposure to outdoor air pollution in Guam, 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
The most recent figure for exposure to outdoor air pollution in Guam is 1.9 µg/m³, measured in 2024.
Compared with earlier readings it is down 17.4% on the previous year and down 44.1% over ten years.
Over the whole period, exposure to outdoor air pollution in Guam peaked at 3.7 µg/m³ in 2015 and was at its lowest, 1.8 µg/m³, in 1998.
Guam ranks 239th 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 | 1.9 µg/m³ | 1.8 µg/m³ | 2 µg/m³ | 2 |
| 2000s | 2.55 µg/m³ | 2.1 µg/m³ | 2.9 µg/m³ | 10 |
| 2010s | 2.83 µg/m³ | 2.2 µg/m³ | 3.7 µg/m³ | 10 |
| 2020s | 2.2 µg/m³ | 1.9 µg/m³ | 2.5 µg/m³ | 5 |
Countries ranked near Guam
- 236 Pitcairn 3.1 µg/m³ compare
- 237 Marshall Islands 2.8 µg/m³ compare
- 238 Micronesia (country) 2.3 µg/m³ compare
- 240 Northern Mariana Islands 1.5 µg/m³ compare
- 241 Greenland 1.1 µg/m³ compare
More environment data for Guam
- Total greenhouse gas emissions excluding LULUCF 0.018 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 0.1073 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 0.0028 Mt CO2e (2024)
- Methane (CH4) emissions from Building (Energy) 0.0002 Mt CO2e (2024)
- Methane (CH4) emissions (total) excluding LULUCF 0.0121 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 0.0091 Mt CO2e (2024)
- Carbon dioxide (CO2) emissions from Industrial Processes 0.0003 Mt CO2e (2024)
- Carbon dioxide (CO2) emissions (total) excluding LULUCF 0.0003 Mt CO2e (2024)
- Carbon dioxide (CO2) emissions excluding LULUCF per capita 0.0018 t CO2e/capita (2024)
- Carbon intensity of GDP 0.0001 kg CO2e per constant 2015 US$ of GDP (2022)
Frequently asked questions
- What is exposure to outdoor air pollution in Guam?
- Exposure to outdoor air pollution in Guam was 1.9 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 Guam?
- The highest recorded value was 3.7 µg/m³ in 2015.
- What is the lowest exposure to outdoor air pollution recorded in Guam?
- The lowest recorded value was 1.8 µg/m³ in 1998.
- How does Guam rank for exposure to outdoor air pollution?
- Guam ranks 239th out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Guam?
- Over the last ten years it is down 44.1%. The long-run trend across the full record is rising.
- Where does this Guam 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.