Norway vs Seychelles: Exposure to outdoor air pollution
Norway
6.7 µg/m³
in 2024
Seychelles
6.9 µg/m³
in 2024
Norway rank
198th
Seychelles rank
196th
Exposure to outdoor air pollution over time
- Norway
- Seychelles
How they compare
Seychelles currently reports 6.9 µg/m³ against 6.7 µg/m³ in Norway, a difference of 0.2 µg/m³.
The two have swapped places 5 times across 27 shared years of data; in 1998 it was Norway ahead.
Norway ranks 198th and Seychelles ranks 196th of 241 countries.
Across the 4 decades both report, Norway averaged higher in 2 and Seychelles in 2.
Head to head by decade
| Decade | Norway | Seychelles | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 8.4 µg/m³ | 5.9 µg/m³ | 2.5 µg/m³ | Norway |
| 2000s | 7.75 µg/m³ | 6.96 µg/m³ | 0.79 µg/m³ | Norway |
| 2010s | 6.9 µg/m³ | 7.74 µg/m³ | 0.84 µg/m³ | Seychelles |
| 2020s | 6.1 µg/m³ | 6.56 µg/m³ | 0.46 µg/m³ | Seychelles |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Norway or Seychelles?
- Seychelles, at 6.9 µg/m³ against 6.7 µg/m³ in Norway as of 2024.
- What is the difference in exposure to outdoor air pollution between Norway and Seychelles?
- 0.2 µg/m³, with Seychelles ahead.
- How many years of comparable data are there for Norway and Seychelles?
- 27 years are reported by both, from 1998 to 2024.
- How do Norway and Seychelles rank globally for exposure to outdoor air pollution?
- Norway ranks 198th and Seychelles ranks 196th of 241 countries.
- Where does this data come from?
- SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data, published as Exposure to outdoor air pollution. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
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.