Eritrea vs Tanzania: Ozone (O₃) concentration
Eritrea
47 ppb
in 2015
Tanzania
47 ppb
in 2015
Eritrea rank
136th
Tanzania rank
136th
Ozone (O₃) concentration over time
- Eritrea
- Tanzania
How they compare
Eritrea currently reports 47 ppb against 47 ppb in Tanzania, a difference of 0 ppb.
The two have swapped places 1 time across 7 shared years of data; in 1990 it was Eritrea ahead.
Eritrea ranks 136th and Tanzania ranks 136th of 187 countries.
Eritrea has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Eritrea | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 46.5 ppb | 45 ppb | 1.5 ppb | Eritrea |
| 2000s | 47 ppb | 45.5 ppb | 1.5 ppb | Eritrea |
| 2010s | 47 ppb | 46.67 ppb | 0.3333 ppb | Eritrea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher ozone (o₃) concentration, Eritrea or Tanzania?
- Eritrea, at 47 ppb against 47 ppb in Tanzania as of 2015.
- What is the difference in ozone (o₃) concentration between Eritrea and Tanzania?
- 0 ppb, with Eritrea ahead.
- How many years of comparable data are there for Eritrea and Tanzania?
- 7 years are reported by both, from 1990 to 2015.
- How do Eritrea and Tanzania rank globally for ozone (o₃) concentration?
- Eritrea ranks 136th and Tanzania ranks 136th 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.