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.

Individual pages

About this data

Indicator: Exposure to outdoor air pollution
Unit: µg/m³
Source: SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 241 places, 6,507 data points, 1998–2024
Last refreshed: 07 August 2026

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.