Grenada vs Tonga: Ozone (O₃) concentration
Grenada
39 ppb
in 2015
Tonga
39 ppb
in 2015
Grenada rank
169th
Tonga rank
169th
Ozone (O₃) concentration over time
- Grenada
- Tonga
How they compare
Grenada currently reports 39 ppb against 39 ppb in Tonga, a difference of 0 ppb.
Across all 7 years both countries report, Tonga has been ahead every year.
Grenada ranks 169th and Tonga ranks 169th of 187 countries.
Head to head by decade
| Decade | Grenada | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 38 ppb | 38 ppb | 0 ppb | — |
| 2000s | 38 ppb | 38 ppb | 0 ppb | — |
| 2010s | 38.67 ppb | 38.67 ppb | 0 ppb | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher ozone (o₃) concentration, Grenada or Tonga?
- Grenada, at 39 ppb against 39 ppb in Tonga as of 2015.
- What is the difference in ozone (o₃) concentration between Grenada and Tonga?
- 0 ppb, with Grenada ahead.
- How many years of comparable data are there for Grenada and Tonga?
- 7 years are reported by both, from 1990 to 2015.
- How do Grenada and Tonga rank globally for ozone (o₃) concentration?
- Grenada ranks 169th and Tonga ranks 169th 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.