Exposure to outdoor air pollution in Guernsey
Guernsey: Exposure to outdoor air pollution was 7.4 µg/m³ in 2024. ▼ Falling
Exposure to outdoor air pollution in Guernsey, 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
Guernsey recorded 7.4 µg/m³ for exposure to outdoor air pollution in 2024. That is the lowest value across all 27 years on record.
That represents a change of down 12.9% on the previous year and down 20.4% over ten years.
Over the whole period, exposure to outdoor air pollution in Guernsey peaked at 11.9 µg/m³ in 1998 and was at its lowest, 7.4 µg/m³, in 2024.
Guernsey ranks 190th of 241 countries on this measure, in the bottom quarter.
The long-run direction has been consistently falling across the 27 years of available data.
Exposure to outdoor air pollution in Guernsey, year by year
| Year | µg/m³ | Change |
|---|---|---|
| 1998 | 11.9 µg/m³ | — |
| 1999 | 9.9 µg/m³ | -16.8% |
| 2000 | 8.9 µg/m³ | -10.1% |
| 2001 | 9 µg/m³ | +1.1% |
| 2002 | 9 µg/m³ | +0.0% |
| 2003 | 10 µg/m³ | +11.1% |
| 2004 | 8.2 µg/m³ | -18.0% |
| 2005 | 8 µg/m³ | -2.4% |
| 2006 | 8.2 µg/m³ | +2.5% |
| 2007 | 8.9 µg/m³ | +8.5% |
| 2008 | 9.2 µg/m³ | +3.4% |
| 2009 | 9.6 µg/m³ | +4.3% |
| 2010 | 9.6 µg/m³ | +0.0% |
| 2011 | 10.7 µg/m³ | +11.5% |
| 2012 | 10 µg/m³ | -6.5% |
| 2013 | 10.2 µg/m³ | +2.0% |
| 2014 | 9.3 µg/m³ | -8.8% |
| 2015 | 8 µg/m³ | -14.0% |
| 2016 | 8.8 µg/m³ | +10.0% |
| 2017 | 8.3 µg/m³ | -5.7% |
| 2018 | 8.9 µg/m³ | +7.2% |
| 2019 | 8.9 µg/m³ | +0.0% |
| 2020 | 7.6 µg/m³ | -14.6% |
| 2021 | 8.5 µg/m³ | +11.8% |
| 2022 | 8.4 µg/m³ | -1.2% |
| 2023 | 8.5 µg/m³ | +1.2% |
| 2024 | 7.4 µg/m³ | -12.9% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 10.9 µg/m³ | 9.9 µg/m³ | 11.9 µg/m³ | 2 |
| 2000s | 8.9 µg/m³ | 8 µg/m³ | 10 µg/m³ | 10 |
| 2010s | 9.27 µg/m³ | 8 µg/m³ | 10.7 µg/m³ | 10 |
| 2020s | 8.08 µg/m³ | 7.4 µg/m³ | 8.5 µg/m³ | 5 |
Countries ranked near Guernsey
- 187 Antigua and Barbuda 7.8 µg/m³ compare
- 188 Montserrat 7.6 µg/m³ compare
- 189 United States 7.5 µg/m³ compare
- 190 Ireland 7.4 µg/m³ compare
- 192 Puerto Rico 7.3 µg/m³ compare
- 193 Canada 7 µg/m³ compare
- 193 New Zealand 7 µg/m³ compare
- 193 Solomon Islands 7 µg/m³ compare
More environment data for Guernsey
- Temperature change 1.96 °C (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.483 °C (2025)
- Forest area 470 hectares (2025)
- Share of global forest area 0.0% (2025)
- Annual change in forest area 0 hectares (2025)
- Change in domestic forest area vs. deforestation embedded in imported goods 0 hectares (2025)
- Annual change in forest area vs. GDP per capita 0.0% (2025)
- Annual change in forest area as a share of forest area 0.0% (2025)
- Exposure to air pollution from human sources 6.23 micrograms per cubic meter (2024)
Frequently asked questions
- What is exposure to outdoor air pollution in Guernsey?
- Exposure to outdoor air pollution in Guernsey was 7.4 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 Guernsey?
- The highest recorded value was 11.9 µg/m³ in 1998.
- What is the lowest exposure to outdoor air pollution recorded in Guernsey?
- The lowest recorded value was 7.4 µg/m³ in 2024.
- How does Guernsey rank for exposure to outdoor air pollution?
- Guernsey ranks 190th out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Guernsey?
- Over the last ten years it is down 20.4%. The long-run trend across the full record is falling.
- Where does this Guernsey 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.