Exposure to outdoor air pollution in Iran
Iran: Exposure to outdoor air pollution was 37.7 µg/m³ in 2024. ▲ Rising
Exposure to outdoor air pollution in Iran, 1998–2024
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 Iran is 37.7 µg/m³, measured in 2024.
Compared with earlier readings it is up 1.6% on the previous year and up 4.4% over ten years.
Over the whole period, exposure to outdoor air pollution in Iran peaked at 39.8 µg/m³ in 2009 and was at its lowest, 27.4 µg/m³, in 1998.
That places Iran 23rd out of 241 countries with data for 2024, putting it in the top 10%.
The long-run direction has been consistently rising across the 27 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 27.95 µg/m³ | 27.4 µg/m³ | 28.5 µg/m³ | 2 |
| 2000s | 36.44 µg/m³ | 35 µg/m³ | 39.8 µg/m³ | 10 |
| 2010s | 36.83 µg/m³ | 35.3 µg/m³ | 39.6 µg/m³ | 10 |
| 2020s | 36.56 µg/m³ | 34.8 µg/m³ | 37.7 µg/m³ | 5 |
Countries ranked near Iran
More environment data for Iran
- Total greenhouse gas emissions excluding LULUCF 1,055 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 11.52 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 23.95 Mt CO2e (2024)
- Methane (CH4) emissions from Building (Energy) 1.36 Mt CO2e (2024)
- Methane (CH4) emissions from Fugitive Emissions (Energy) 132.92 Mt CO2e (2024)
- Methane (CH4) emissions from Industrial Combustion (Energy) 0.0799 Mt CO2e (2024)
- Methane (CH4) emissions (total) excluding LULUCF 175.7 Mt CO2e (2024)
- Methane (CH4) emissions from Power Industry (Energy) 0.3082 Mt CO2e (2024)
- Methane (CH4) emissions from Transport (Energy) 2.67 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 13.99 Mt CO2e (2024)
Frequently asked questions
- What is exposure to outdoor air pollution in Iran?
- Exposure to outdoor air pollution in Iran was 37.7 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 Iran?
- The highest recorded value was 39.8 µg/m³ in 2009.
- What is the lowest exposure to outdoor air pollution recorded in Iran?
- The lowest recorded value was 27.4 µg/m³ in 1998.
- How does Iran rank for exposure to outdoor air pollution?
- Iran ranks 23rd out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Iran?
- Over the last ten years it is up 4.4%. The long-run trend across the full record is rising.
- Where does this Iran 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
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.