Chad vs Slovakia: Ozone (O₃) concentration
Chad
60 ppb
in 2015
Slovakia
60 ppb
in 2015
Chad rank
66th
Slovakia rank
66th
Ozone (O₃) concentration over time
- Chad
- Slovakia
How they compare
Chad currently reports 60 ppb against 60 ppb in Slovakia, a difference of 0 ppb.
Across all 7 years both countries report, Slovakia has been ahead every year.
Chad ranks 66th and Slovakia ranks 66th of 187 countries.
Slovakia has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Chad | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 60 ppb | 62 ppb | 2 ppb | Slovakia |
| 2000s | 60 ppb | 61 ppb | 1 ppb | Slovakia |
| 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 Slovakia?
- Chad, at 60 ppb against 60 ppb in Slovakia as of 2015.
- What is the difference in ozone (o₃) concentration between Chad and Slovakia?
- 0 ppb, with Chad ahead.
- How many years of comparable data are there for Chad and Slovakia?
- 7 years are reported by both, from 1990 to 2015.
- How do Chad and Slovakia rank globally for ozone (o₃) concentration?
- Chad ranks 66th and Slovakia 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.