Marshall Islands vs Samoa: Ozone (O₃) concentration
Marshall Islands
25 ppb
in 2015
Samoa
31 ppb
in 2015
Marshall Islands rank
187th
Samoa rank
184th
Ozone (O₃) concentration over time
- Marshall Islands
- Samoa
How they compare
Samoa currently reports 31 ppb against 25 ppb in Marshall Islands, a difference of 6 ppb.
That makes Samoa's figure about 1.2 times Marshall Islands's.
Across all 7 years both countries report, Samoa has been ahead every year.
Marshall Islands ranks 187th and Samoa ranks 184th of 187 countries.
Samoa has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Marshall Islands | Samoa | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 25.5 ppb | 31 ppb | 5.5 ppb | Samoa |
| 2000s | 25 ppb | 31 ppb | 6 ppb | Samoa |
| 2010s | 25 ppb | 31 ppb | 6 ppb | Samoa |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher ozone (o₃) concentration, Marshall Islands or Samoa?
- Samoa, at 31 ppb against 25 ppb in Marshall Islands as of 2015.
- What is the difference in ozone (o₃) concentration between Marshall Islands and Samoa?
- 6 ppb, with Samoa ahead.
- How many years of comparable data are there for Marshall Islands and Samoa?
- 7 years are reported by both, from 1990 to 2015.
- How do Marshall Islands and Samoa rank globally for ozone (o₃) concentration?
- Marshall Islands ranks 187th and Samoa ranks 184th of 187 countries.
- Where does this data come from?
- Health Effects Institute (2017) – processed by Our World in Data, published as Ozone (O₃) concentration. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Population-weighted average ozone (O₃) concentrations in parts per billion (ppb). Local concentrations of ozone are recorded and estimated at a 11x11km resolution. These values are subsequently weighted by population-density for calculation of nation-level average concentrations.