Iran vs Mongolia: Exposure to outdoor air pollution
Iran
37.7 µg/m³
in 2024
Mongolia
38.2 µg/m³
in 2024
Iran rank
23rd
Mongolia rank
22nd
Exposure to outdoor air pollution over time
- Iran
- Mongolia
How they compare
Mongolia currently reports 38.2 µg/m³ against 37.7 µg/m³ in Iran, a difference of 0.5 µg/m³.
The two have swapped places 3 times across 27 shared years of data; in 1998 it was Iran ahead.
Iran ranks 23rd and Mongolia ranks 22nd of 241 countries.
Across the 4 decades both report, Iran averaged higher in 2 and Mongolia in 2.
Head to head by decade
| Decade | Iran | Mongolia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 27.95 µg/m³ | 25.45 µg/m³ | 2.5 µg/m³ | Iran |
| 2000s | 36.44 µg/m³ | 31.55 µg/m³ | 4.89 µg/m³ | Iran |
| 2010s | 36.83 µg/m³ | 40.03 µg/m³ | 3.2 µg/m³ | Mongolia |
| 2020s | 36.56 µg/m³ | 41.66 µg/m³ | 5.1 µg/m³ | Mongolia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Iran or Mongolia?
- Mongolia, at 38.2 µg/m³ against 37.7 µg/m³ in Iran as of 2024.
- What is the difference in exposure to outdoor air pollution between Iran and Mongolia?
- 0.5 µg/m³, with Mongolia ahead.
- How many years of comparable data are there for Iran and Mongolia?
- 27 years are reported by both, from 1998 to 2024.
- How do Iran and Mongolia rank globally for exposure to outdoor air pollution?
- Iran ranks 23rd and Mongolia ranks 22nd 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.