Ozone (O₃) concentration in Bulgaria

Bulgaria: Ozone (O₃) concentration was 65 ppb in 2015. ▬ Flat

Latest (2015)
65 ppb
Change on year
unchanged
World rank
41st
of 187 countries
All-time high
66 ppb
in 1990
All-time low
65 ppb
in 2005
Years of data
7
1990–2015

Ozone (O₃) concentration in Bulgaria, 1990–2015

02040601990200220151990: 66 ppb1995: 66 ppb2000: 66 ppb2005: 65 ppb2010: 65 ppb2013: 65 ppb2015: 65 ppb

Source: Health Effects Institute (2017) – processed by Our World in Data. Measured in ppb.

Analysis

Bulgaria recorded 65 ppb for ozone (o₃) concentration in 2015. That is the lowest value across all 7 years on record.

Compared with earlier readings it is unchanged over ten years.

Over the whole period, ozone (o₃) concentration in Bulgaria peaked at 66 ppb in 1990 and was at its lowest, 65 ppb, in 2005.

Bulgaria ranks 41st of 187 countries on this measure, in the top quarter.

Averages by decade

DecadeAverage LowestHighest Years
1990s 66 ppb 66 ppb 66 ppb 2
2000s 65.5 ppb 65 ppb 66 ppb 2
2010s 65 ppb 65 ppb 65 ppb 3

Countries ranked near Bulgaria

  1. 39 Ghana 66 ppb compare
  2. 39 North Macedonia 66 ppb compare
  3. 41 China 65 ppb compare
  4. 41 Croatia 65 ppb compare
  5. 41 Kyrgyzstan 65 ppb compare

See the full ranking of 187 places →

More environment data for Bulgaria

All data for Bulgaria →

Frequently asked questions

What is ozone (o₃) concentration in Bulgaria?
Ozone (o₃) concentration in Bulgaria was 65 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.
What is the highest ozone (o₃) concentration recorded in Bulgaria?
The highest recorded value was 66 ppb in 1990.
What is the lowest ozone (o₃) concentration recorded in Bulgaria?
The lowest recorded value was 65 ppb in 2005.
How does Bulgaria rank for ozone (o₃) concentration?
Bulgaria ranks 41st out of 187 countries with data for 2015.
Is ozone (o₃) concentration rising or falling in Bulgaria?
Over the last ten years it is unchanged. The long-run trend across the full record is flat.
Where does this Bulgaria data come from?
The figures come from Health Effects Institute (2017) – processed by Our World in Data, published as part of Ozone (O₃) concentration. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 7 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Ozone (O₃) concentration
Unit
ppb
Source
Health Effects Institute (2017) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
187 places, 1,309 data points, 1990–2015
Last refreshed

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.