Niger vs Nigeria: Exposure to outdoor air pollution
Niger
47.9 µg/m³
in 2024
Nigeria
50 µg/m³
in 2024
Niger rank
11th
Nigeria rank
8th
Exposure to outdoor air pollution over time
- Niger
- Nigeria
How they compare
Nigeria currently reports 50 µg/m³ against 47.9 µg/m³ in Niger, a difference of 2.1 µg/m³.
The two have swapped places 12 times across 27 shared years of data; in 1998 it was Nigeria ahead.
Niger ranks 11th and Nigeria ranks 8th of 241 countries.
Across the 4 decades both report, Niger averaged higher in 2 and Nigeria in 2.
Head to head by decade
| Decade | Niger | Nigeria | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 46.6 µg/m³ | 47.4 µg/m³ | 0.8 µg/m³ | Nigeria |
| 2000s | 53.52 µg/m³ | 53.05 µg/m³ | 0.47 µg/m³ | Niger |
| 2010s | 52.13 µg/m³ | 51.67 µg/m³ | 0.46 µg/m³ | Niger |
| 2020s | 49.92 µg/m³ | 52.04 µg/m³ | 2.12 µg/m³ | Nigeria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Niger or Nigeria?
- Nigeria, at 50 µg/m³ against 47.9 µg/m³ in Niger as of 2024.
- What is the difference in exposure to outdoor air pollution between Niger and Nigeria?
- 2.1 µg/m³, with Nigeria ahead.
- How many years of comparable data are there for Niger and Nigeria?
- 27 years are reported by both, from 1998 to 2024.
- How do Niger and Nigeria rank globally for exposure to outdoor air pollution?
- Niger ranks 11th and Nigeria ranks 8th 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.