Chad vs Guinea: Ozone (O₃) concentration
Chad
60 ppb
in 2015
Guinea
60 ppb
in 2015
Chad rank
66th
Guinea rank
66th
Ozone (O₃) concentration over time
- Chad
- Guinea
How they compare
Chad currently reports 60 ppb against 60 ppb in Guinea, a difference of 0 ppb.
The two have swapped places 1 time across 7 shared years of data; in 1990 it was Chad ahead.
Chad ranks 66th and Guinea ranks 66th of 187 countries.
Chad has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Chad | Guinea | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 60 ppb | 58.5 ppb | 1.5 ppb | Chad |
| 2000s | 60 ppb | 60 ppb | 0 ppb | — |
| 2010s | 60 ppb | 60 ppb | 0 ppb | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher ozone (o₃) concentration, Chad or Guinea?
- Chad, at 60 ppb against 60 ppb in Guinea as of 2015.
- What is the difference in ozone (o₃) concentration between Chad and Guinea?
- 0 ppb, with Chad ahead.
- How many years of comparable data are there for Chad and Guinea?
- 7 years are reported by both, from 1990 to 2015.
- How do Chad and Guinea rank globally for ozone (o₃) concentration?
- Chad ranks 66th and Guinea ranks 66th 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.