Chile vs Guinea: Exposure to outdoor air pollution
Chile
23.2 µg/m³
in 2024
Guinea
23.9 µg/m³
in 2024
Chile rank
69th
Guinea rank
66th
Exposure to outdoor air pollution over time
- Chile
- Guinea
How they compare
Guinea currently reports 23.9 µg/m³ against 23.2 µg/m³ in Chile, a difference of 0.7 µg/m³.
The two have swapped places 2 times across 27 shared years of data; in 1998 it was Guinea ahead.
Chile ranks 69th and Guinea ranks 66th of 241 countries.
Guinea has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Chile | Guinea | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 19.7 µg/m³ | 30.45 µg/m³ | 10.75 µg/m³ | Guinea |
| 2000s | 21.45 µg/m³ | 26.16 µg/m³ | 4.71 µg/m³ | Guinea |
| 2010s | 22.44 µg/m³ | 25.91 µg/m³ | 3.47 µg/m³ | Guinea |
| 2020s | 22.7 µg/m³ | 23.38 µg/m³ | 0.68 µg/m³ | Guinea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Chile or Guinea?
- Guinea, at 23.9 µg/m³ against 23.2 µg/m³ in Chile as of 2024.
- What is the difference in exposure to outdoor air pollution between Chile and Guinea?
- 0.7 µg/m³, with Guinea ahead.
- How many years of comparable data are there for Chile and Guinea?
- 27 years are reported by both, from 1998 to 2024.
- How do Chile and Guinea rank globally for exposure to outdoor air pollution?
- Chile ranks 69th and Guinea ranks 66th 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.