Iran vs Senegal: Exposure to outdoor air pollution
Iran
37.7 µg/m³
in 2024
Senegal
36.5 µg/m³
in 2024
Iran rank
23rd
Senegal rank
25th
Exposure to outdoor air pollution over time
- Iran
- Senegal
How they compare
Iran currently reports 37.7 µg/m³ against 36.5 µg/m³ in Senegal, a difference of 1.2 µg/m³.
The two have swapped places 9 times across 27 shared years of data; in 1998 it was Senegal ahead.
Iran ranks 23rd and Senegal ranks 25th of 241 countries.
Across the 4 decades both report, Iran averaged higher in 1 and Senegal in 3.
Head to head by decade
| Decade | Iran | Senegal | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 27.95 µg/m³ | 41.65 µg/m³ | 13.7 µg/m³ | Senegal |
| 2000s | 36.44 µg/m³ | 36.81 µg/m³ | 0.37 µg/m³ | Senegal |
| 2010s | 36.83 µg/m³ | 36.92 µg/m³ | 0.09 µg/m³ | Senegal |
| 2020s | 36.56 µg/m³ | 36.46 µg/m³ | 0.1 µg/m³ | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Iran or Senegal?
- Iran, at 37.7 µg/m³ against 36.5 µg/m³ in Senegal as of 2024.
- What is the difference in exposure to outdoor air pollution between Iran and Senegal?
- 1.2 µg/m³, with Iran ahead.
- How many years of comparable data are there for Iran and Senegal?
- 27 years are reported by both, from 1998 to 2024.
- How do Iran and Senegal rank globally for exposure to outdoor air pollution?
- Iran ranks 23rd and Senegal ranks 25th 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.