Marshall Islands vs Samoa: Particulate matter exposure in 1990 vs. 2017

Marshall Islands
4.1 micrograms per cubic meter
in 2023
Samoa
4.58 micrograms per cubic meter
in 2023
Marshall Islands rank
195th
Samoa rank
192nd

Particulate matter exposure in 1990 vs. 2017 over time

  • Marshall Islands
  • Samoa
0246199020062023

How they compare

Samoa currently reports 4.58 micrograms per cubic meter against 4.1 micrograms per cubic meter in Marshall Islands, a difference of 0.48 micrograms per cubic meter.

That makes Samoa's figure about 1.1 times Marshall Islands's.

The two have swapped places 6 times across 34 shared years of data; in 1990 it was Samoa ahead.

Marshall Islands ranks 195th and Samoa ranks 192nd of 200 countries.

Across the 4 decades both report, Marshall Islands averaged higher in 1 and Samoa in 3.

Head to head by decade

Decade Marshall Islands Samoa Difference Ahead
1990s 4.77 micrograms per cubic meter 4.94 micrograms per cubic meter 0.1637 micrograms per cubic meter Samoa
2000s 5 micrograms per cubic meter 5 micrograms per cubic meter 0.0085 micrograms per cubic meter Samoa
2010s 4.75 micrograms per cubic meter 4.62 micrograms per cubic meter 0.1284 micrograms per cubic meter Marshall Islands
2020s 4.34 micrograms per cubic meter 4.52 micrograms per cubic meter 0.1816 micrograms per cubic meter Samoa

Averages of every year both report within each decade.

Frequently asked questions

Which has higher particulate matter exposure in 1990 vs. 2017, Marshall Islands or Samoa?
Samoa, at 4.58 micrograms per cubic meter against 4.1 micrograms per cubic meter in Marshall Islands as of 2023.
What is the difference in particulate matter exposure in 1990 vs. 2017 between Marshall Islands and Samoa?
0.48 micrograms per cubic meter, with Samoa ahead.
How many years of comparable data are there for Marshall Islands and Samoa?
34 years are reported by both, from 1990 to 2023.
How do Marshall Islands and Samoa rank globally for particulate matter exposure in 1990 vs. 2017?
Marshall Islands ranks 195th and Samoa ranks 192nd of 200 countries.
Where does this data come from?
Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data, published as Particulate matter exposure in 1990 vs. 2017. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Marshall Islands vs Samoa: Particulate matter exposure in 1990 vs. 2017. Statizoid, drawing on Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data. Retrieved 24 September 2026, from https://reference.statizoid.com/compare/pm-exposure-1990-2017/marshall-islands/samoa/

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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

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 meter (µg/m³).