Ozone (O₃) concentration in Samoa
Samoa: Ozone (O₃) concentration was 31 ppb in 2015. ▬ Flat
Ozone (O₃) concentration in Samoa, 1990–2015
Source: Health Effects Institute (2017) – processed by Our World in Data. Measured in ppb.
Analysis
In 2015, ozone (o₃) concentration in Samoa stood at 31 ppb. That is the highest value across all 7 years on record.
The figure is unchanged over ten years.
Over the whole period, ozone (o₃) concentration in Samoa peaked at 31 ppb in 1990 and was at its lowest, 31 ppb, in 1990.
That places Samoa 184th out of 187 countries with data for 2015, putting it in the bottom quarter.
Ozone (O₃) concentration in Samoa, year by year
| Year | ppb | Change |
|---|---|---|
| 1990 | 31 ppb | — |
| 1995 | 31 ppb | +0.0% |
| 2000 | 31 ppb | +0.0% |
| 2005 | 31 ppb | +0.0% |
| 2010 | 31 ppb | +0.0% |
| 2013 | 31 ppb | +0.0% |
| 2015 | 31 ppb | +0.0% |
Samoa compared with similar countries
- Samoa's 31 ppb is below the median for upper middle income countries, which is 53 ppb, 58% of the median. (57 countries reporting)
- Samoa's 31 ppb is below the median for East Asia & Pacific, which is 44 ppb, 70% of the median. (25 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 31 ppb | 31 ppb | 31 ppb | 2 |
| 2000s | 31 ppb | 31 ppb | 31 ppb | 2 |
| 2010s | 31 ppb | 31 ppb | 31 ppb | 3 |
Countries ranked near Samoa
- 182 Micronesia (country) 33 ppb compare
- 183 Guyana 32 ppb compare
- 185 Papua New Guinea 29 ppb compare
- 186 Solomon Islands 28 ppb compare
- 187 Marshall Islands 25 ppb compare
More environment data for Samoa
- Historical exposure to drought — Land soil moisture anomaly 0.3482 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 0.3183 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.23 °C (2025)
- Temperature change 0.919 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 2.68 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate -2.51 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is ozone (o₃) concentration in Samoa?
- Ozone (o₃) concentration in Samoa was 31 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.
- What is the highest ozone (o₃) concentration recorded in Samoa?
- The highest recorded value was 31 ppb in 1990.
- What is the lowest ozone (o₃) concentration recorded in Samoa?
- The lowest recorded value was 31 ppb in 1990.
- How does Samoa rank for ozone (o₃) concentration?
- Samoa ranks 184th out of 187 countries with data for 2015.
- Is ozone (o₃) concentration rising or falling in Samoa?
- Over the last ten years it is unchanged. The long-run trend across the full record is flat.
- Where does this Samoa data come from?
- The figures come from Health Effects Institute (2017) – processed by Our World in Data, published as part of Ozone (O₃) concentration. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 7 observations, free to reuse under CC BY 4.0 (Our World in Data).
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.