Ozone (O₃) concentration in Iran

Iran: Ozone (O₃) concentration was 74 ppb in 2015. ▲ Rising

Latest (2015)
74 ppb
Change on year
unchanged
World rank
12th
of 187 countries
All-time high
74 ppb
in 2013
All-time low
70 ppb
in 1990
Years of data
7
1990–2015

Ozone (O₃) concentration in Iran, 1990–2015

0204060801990200220151990: 70 ppb1995: 71 ppb2000: 72 ppb2005: 73 ppb2010: 73 ppb2013: 74 ppb2015: 74 ppb

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

Analysis

The most recent figure for ozone (o₃) concentration in Iran is 74 ppb, measured in 2015. That is the highest value across all 7 years on record.

Compared with earlier readings it is up 1.4% over ten years.

Over the whole period, ozone (o₃) concentration in Iran peaked at 74 ppb in 2013 and was at its lowest, 70 ppb, in 1990.

That places Iran 12th out of 187 countries with data for 2015, putting it in the top 10%.

Averages by decade

DecadeAverage LowestHighest Years
1990s 70.5 ppb 70 ppb 71 ppb 2
2000s 72.5 ppb 72 ppb 73 ppb 2
2010s 73.67 ppb 73 ppb 74 ppb 3

Countries ranked near Iran

  1. 9 Central African Republic 77 ppb compare
  2. 10 India 76 ppb compare
  3. 11 Iraq 75 ppb compare
  4. 12 Bangladesh 74 ppb compare
  5. 12 Italy 74 ppb compare
  6. 15 Jordan 73 ppb compare

See the full ranking of 187 places →

More environment data for Iran

All data for Iran →

Frequently asked questions

What is ozone (o₃) concentration in Iran?
Ozone (o₃) concentration in Iran was 74 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.
What is the highest ozone (o₃) concentration recorded in Iran?
The highest recorded value was 74 ppb in 2013.
What is the lowest ozone (o₃) concentration recorded in Iran?
The lowest recorded value was 70 ppb in 1990.
How does Iran rank for ozone (o₃) concentration?
Iran ranks 12th out of 187 countries with data for 2015.
Is ozone (o₃) concentration rising or falling in Iran?
Over the last ten years it is up 1.4%. The long-run trend across the full record is rising.
Where does this Iran 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.