Exposure to outdoor air pollution in Seychelles

Seychelles: Exposure to outdoor air pollution was 6.9 µg/m³ in 2024. ▲ Rising

Latest (2024)
6.9 µg/m³
Change on year
down 1.4%
World rank
196th
of 241 countries
All-time high
8.5 µg/m³
in 2011
All-time low
5.3 µg/m³
in 2001
Years of data
27
1998–2024

Exposure to outdoor air pollution in Seychelles, 1998–2024

024681998201120241998: 5.4 µg/m³1999: 6.4 µg/m³2000: 6.8 µg/m³2001: 5.3 µg/m³2002: 6.1 µg/m³2003: 7.5 µg/m³2004: 6.2 µg/m³2005: 6.4 µg/m³2006: 8.2 µg/m³2007: 7.7 µg/m³2008: 7.5 µg/m³2009: 7.9 µg/m³2010: 7.5 µg/m³2011: 8.5 µg/m³2012: 7 µg/m³2013: 7.9 µg/m³2014: 7.4 µg/m³2015: 6.4 µg/m³2016: 8.4 µg/m³2017: 8.2 µg/m³2018: 7.7 µg/m³2019: 8.4 µg/m³2020: 6.3 µg/m³2021: 5.4 µg/m³2022: 7.2 µg/m³2023: 7 µg/m³2024: 6.9 µg/m³

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 Seychelles is 6.9 µg/m³, measured in 2024.

Compared with earlier readings it is down 1.4% on the previous year and down 6.8% over ten years.

Over the whole period, exposure to outdoor air pollution in Seychelles peaked at 8.5 µg/m³ in 2011 and was at its lowest, 5.3 µg/m³, in 2001.

Seychelles ranks 196th 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

DecadeAverage LowestHighest Years
1990s 5.9 µg/m³ 5.4 µg/m³ 6.4 µg/m³ 2
2000s 6.96 µg/m³ 5.3 µg/m³ 8.2 µg/m³ 10
2010s 7.74 µg/m³ 6.4 µg/m³ 8.5 µg/m³ 10
2020s 6.56 µg/m³ 5.4 µg/m³ 7.2 µg/m³ 5

Countries ranked near Seychelles

  1. 193 Canada 7 µg/m³ compare
  2. 193 New Zealand 7 µg/m³ compare
  3. 193 Solomon Islands 7 µg/m³ compare
  4. 197 Saint Kitts and Nevis 6.8 µg/m³ compare
  5. 198 Estonia 6.7 µg/m³ compare
  6. 198 Norway 6.7 µg/m³ compare
  7. 198 Sint Maarten (Dutch part) 6.7 µg/m³ compare

See the full ranking of 241 places →

More environment data for Seychelles

All data for Seychelles →

Frequently asked questions

What is exposure to outdoor air pollution in Seychelles?
Exposure to outdoor air pollution in Seychelles was 6.9 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 Seychelles?
The highest recorded value was 8.5 µg/m³ in 2011.
What is the lowest exposure to outdoor air pollution recorded in Seychelles?
The lowest recorded value was 5.3 µg/m³ in 2001.
How does Seychelles rank for exposure to outdoor air pollution?
Seychelles ranks 196th out of 241 countries with data for 2024.
Is exposure to outdoor air pollution rising or falling in Seychelles?
Over the last ten years it is down 6.8%. The long-run trend across the full record is rising.
Where does this Seychelles 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

Indicator
Exposure to outdoor air pollution
Unit
µg/m³
Source
SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
241 places, 6,507 data points, 1998–2024
Last refreshed

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.