Exposure to outdoor air pollution in Peru
Peru: Exposure to outdoor air pollution was 27.6 µg/m³ in 2024. ▲ Rising
Exposure to outdoor air pollution in Peru, 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 Peru is 27.6 µg/m³, measured in 2024. That is the highest value across all 27 years on record.
Compared with earlier readings it is up 11.3% on the previous year and up 19.0% over ten years.
Over the whole period, exposure to outdoor air pollution in Peru peaked at 27.6 µg/m³ in 2024 and was at its lowest, 18.8 µg/m³, in 1999.
That places Peru 52nd out of 241 countries with data for 2024, putting it in the top quarter.
The long-run direction has been consistently rising across the 27 years of available data.
Exposure to outdoor air pollution in Peru, year by year
| Year | µg/m³ | Change |
|---|---|---|
| 1998 | 19.3 µg/m³ | — |
| 1999 | 18.8 µg/m³ | -2.6% |
| 2000 | 22.3 µg/m³ | +18.6% |
| 2001 | 22.2 µg/m³ | -0.4% |
| 2002 | 22.2 µg/m³ | +0.0% |
| 2003 | 23.9 µg/m³ | +7.7% |
| 2004 | 23.8 µg/m³ | -0.4% |
| 2005 | 25.6 µg/m³ | +7.6% |
| 2006 | 23.5 µg/m³ | -8.2% |
| 2007 | 24.6 µg/m³ | +4.7% |
| 2008 | 22.5 µg/m³ | -8.5% |
| 2009 | 22.5 µg/m³ | +0.0% |
| 2010 | 24.9 µg/m³ | +10.7% |
| 2011 | 22.9 µg/m³ | -8.0% |
| 2012 | 23.9 µg/m³ | +4.4% |
| 2013 | 23.8 µg/m³ | -0.4% |
| 2014 | 23.2 µg/m³ | -2.5% |
| 2015 | 24.5 µg/m³ | +5.6% |
| 2016 | 25.5 µg/m³ | +4.1% |
| 2017 | 26.1 µg/m³ | +2.4% |
| 2018 | 24.7 µg/m³ | -5.4% |
| 2019 | 25.4 µg/m³ | +2.8% |
| 2020 | 24.2 µg/m³ | -4.7% |
| 2021 | 24.8 µg/m³ | +2.5% |
| 2022 | 27.3 µg/m³ | +10.1% |
| 2023 | 24.8 µg/m³ | -9.2% |
| 2024 | 27.6 µg/m³ | +11.3% |
Peru compared with similar countries
- Peru's 27.6 µg/m³ is above the median for upper middle income countries, which is 17.15 µg/m³, 1.6× the median. (58 countries reporting)
- Peru's 27.6 µg/m³ is above the median for Latin America & Caribbean, which is 13.75 µg/m³, 2.0× the median. (42 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 19.05 µg/m³ | 18.8 µg/m³ | 19.3 µg/m³ | 2 |
| 2000s | 23.31 µg/m³ | 22.2 µg/m³ | 25.6 µg/m³ | 10 |
| 2010s | 24.49 µg/m³ | 22.9 µg/m³ | 26.1 µg/m³ | 10 |
| 2020s | 25.74 µg/m³ | 24.2 µg/m³ | 27.6 µg/m³ | 5 |
Countries ranked near Peru
More environment data for Peru
- Historical exposure to drought — Land soil moisture anomaly 0.4511 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 3.13 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.295 °C (2025)
- Temperature change 1.18 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 4.59 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate 0.1844 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is exposure to outdoor air pollution in Peru?
- Exposure to outdoor air pollution in Peru was 27.6 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 Peru?
- The highest recorded value was 27.6 µg/m³ in 2024.
- What is the lowest exposure to outdoor air pollution recorded in Peru?
- The lowest recorded value was 18.8 µg/m³ in 1999.
- How does Peru rank for exposure to outdoor air pollution?
- Peru ranks 52nd out of 241 countries with data for 2024.
- Is exposure to outdoor air pollution rising or falling in Peru?
- Over the last ten years it is up 19.0%. The long-run trend across the full record is rising.
- Where does this Peru 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.