Laos vs Peru: Exposure to outdoor air pollution
Laos
27 µg/m³
in 2024
Peru
27.6 µg/m³
in 2024
Laos rank
53rd
Peru rank
52nd
Exposure to outdoor air pollution over time
- Laos
- Peru
How they compare
Peru currently reports 27.6 µg/m³ against 27 µg/m³ in Laos, a difference of 0.6 µg/m³.
The two have swapped places 7 times across 27 shared years of data; in 1998 it was Laos ahead.
Laos ranks 53rd and Peru ranks 52nd of 241 countries.
Laos has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Laos | Peru | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 23.55 µg/m³ | 19.05 µg/m³ | 4.5 µg/m³ | Laos |
| 2000s | 25.06 µg/m³ | 23.31 µg/m³ | 1.75 µg/m³ | Laos |
| 2010s | 26.91 µg/m³ | 24.49 µg/m³ | 2.42 µg/m³ | Laos |
| 2020s | 26.84 µg/m³ | 25.74 µg/m³ | 1.1 µg/m³ | Laos |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Laos or Peru?
- Peru, at 27.6 µg/m³ against 27 µg/m³ in Laos as of 2024.
- What is the difference in exposure to outdoor air pollution between Laos and Peru?
- 0.6 µg/m³, with Peru ahead.
- How many years of comparable data are there for Laos and Peru?
- 27 years are reported by both, from 1998 to 2024.
- How do Laos and Peru rank globally for exposure to outdoor air pollution?
- Laos ranks 53rd and Peru ranks 52nd 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.