Nauru vs Samoa: Particulate matter exposure in 1990 vs. 2017

Nauru

4.84 micrograms per cubic meter

in 2023

Samoa

4.58 micrograms per cubic meter

in 2023

Nauru rank

189th

Samoa rank

192nd

Particulate matter exposure in 1990 vs. 2017 over time

Nauru
Samoa

How they compare

Nauru currently reports 4.84 micrograms per cubic meter against 4.58 micrograms per cubic meter in Samoa, a difference of 0.2591 micrograms per cubic meter.

That makes Nauru's figure about 1.1 times Samoa's.

The two have swapped places 8 times across 34 shared years of data; in 1990 it was Nauru ahead.

Nauru ranks 189th and Samoa ranks 192nd of 200 countries.

Individual pages

About this data

Indicator: Particulate matter exposure in 1990 vs. 2017
Unit: micrograms per cubic meter
Source: Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 200 places, 6,800 data points, 1990–2023
Last refreshed: 07 August 2026

Population-weighted average level of exposure to concentrations of suspended particles measuring less than 2.5 microns in diameter. Exposure is measured in micrograms per cubic metre (µg/m³).