Bulgaria vs China: Ozone (O₃) concentration
Bulgaria
65 ppb
in 2015
China
65 ppb
in 2015
Bulgaria rank
41st
China rank
41st
Ozone (O₃) concentration over time
- Bulgaria
- China
How they compare
Bulgaria currently reports 65 ppb against 65 ppb in China, a difference of 0 ppb.
The two have swapped places 1 time across 7 shared years of data; in 1990 it was Bulgaria ahead.
Bulgaria ranks 41st and China ranks 41st of 187 countries.
Bulgaria has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Bulgaria | China | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 66 ppb | 57.5 ppb | 8.5 ppb | Bulgaria |
| 2000s | 65.5 ppb | 60 ppb | 5.5 ppb | Bulgaria |
| 2010s | 65 ppb | 64 ppb | 1 ppb | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher ozone (o₃) concentration, Bulgaria or China?
- Bulgaria, at 65 ppb against 65 ppb in China as of 2015.
- What is the difference in ozone (o₃) concentration between Bulgaria and China?
- 0 ppb, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and China?
- 7 years are reported by both, from 1990 to 2015.
- How do Bulgaria and China rank globally for ozone (o₃) concentration?
- Bulgaria ranks 41st and China ranks 41st 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.