Eritrea vs Lesotho: Exposure to outdoor air pollution
Eritrea
25 µg/m³
in 2024
Lesotho
24.5 µg/m³
in 2024
Eritrea rank
60th
Lesotho rank
63rd
Exposure to outdoor air pollution over time
- Eritrea
- Lesotho
How they compare
Eritrea currently reports 25 µg/m³ against 24.5 µg/m³ in Lesotho, a difference of 0.5 µg/m³.
The two have swapped places 2 times across 27 shared years of data; in 1998 it was Eritrea ahead.
Eritrea ranks 60th and Lesotho ranks 63rd of 241 countries.
Across the 4 decades both report, Eritrea averaged higher in 3 and Lesotho in 1.
Head to head by decade
| Decade | Eritrea | Lesotho | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 22.75 µg/m³ | 17.2 µg/m³ | 5.55 µg/m³ | Eritrea |
| 2000s | 26.9 µg/m³ | 24.4 µg/m³ | 2.5 µg/m³ | Eritrea |
| 2010s | 28.66 µg/m³ | 24.26 µg/m³ | 4.4 µg/m³ | Eritrea |
| 2020s | 25.54 µg/m³ | 25.72 µg/m³ | 0.18 µg/m³ | Lesotho |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Eritrea or Lesotho?
- Eritrea, at 25 µg/m³ against 24.5 µg/m³ in Lesotho as of 2024.
- What is the difference in exposure to outdoor air pollution between Eritrea and Lesotho?
- 0.5 µg/m³, with Eritrea ahead.
- How many years of comparable data are there for Eritrea and Lesotho?
- 27 years are reported by both, from 1998 to 2024.
- How do Eritrea and Lesotho rank globally for exposure to outdoor air pollution?
- Eritrea ranks 60th and Lesotho ranks 63rd 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.