What is emissions of air pollutants in Iran?

Emissions of air pollutants in Iran was 1.25 million tonnes in 2022, according to Hoesly et al. (2024) - Community Emissions Data System (CEDS) – with major processing by Our World in Data.

What is the highest emissions of air pollutants recorded in Iran?

The highest recorded value was 2.08 million tonnes in 2005.

What is the lowest emissions of air pollutants recorded in Iran?

The lowest recorded value was 91,301 tonnes in 1953.

How does Iran rank for emissions of air pollutants?

Iran ranks 46th out of 220 countries with data for 2022.

Is emissions of air pollutants rising or falling in Iran?

Over the last ten years it is down 0.8%. The long-run trend across the full record is volatile.

Where does this Iran data come from?

The figures come from Hoesly et al. (2024) - Community Emissions Data System (CEDS) – with major processing by Our World in Data, published as part of emissions of air pollutants. Statizoid updates them automatically from the source API.

emissions of air pollutants in Iran

Name: emissions of air pollutants in Iran
Creator: Hoesly et al. (2024) - Community Emissions Data System (CEDS) – with major processing by Our World in Data
License: CC BY 4.0 (Our World in Data)

Iran: emissions of air pollutants was 1.25 million tonnes in 2022. ◆ Volatile

Latest (2022)

1.25 million tonnes

Change on year

up 3.5%

World rank

46th

of 220 countries

All-time high

2.08 million tonnes

in 2005

All-time low

91,301 tonnes

in 1953

Years of data

273

1750–2022

emissions of air pollutants in Iran, 1750–2022

Source: Hoesly et al. (2024) - Community Emissions Data System (CEDS) – with major processing by Our World in Data. Measured in tonnes.

Analysis

Iran recorded 1.25 million tonnes for emissions of air pollutants in 2022.

The figure is up 3.5% on the previous year and down 0.8% over ten years.

Over the whole period, emissions of air pollutants in Iran peaked at 2.08 million tonnes in 2005 and was at its lowest, 91,301 tonnes, in 1953.

That places Iran 46th out of 220 countries with data for 2022, putting it in the top quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

Decade	Average	Lowest	Highest	Years
1750s	195,200 tonnes	193,668 tonnes	196,729 tonnes	10
1760s	198,595 tonnes	197,068 tonnes	200,119 tonnes	10
1770s	201,976 tonnes	200,457 tonnes	203,490 tonnes	10
1780s	205,330 tonnes	203,825 tonnes	206,831 tonnes	10
1790s	208,648 tonnes	207,163 tonnes	210,128 tonnes	10
1800s	211,914 tonnes	210,455 tonnes	213,367 tonnes	10
1810s	215,114 tonnes	213,688 tonnes	216,533 tonnes	10
1820s	221,671 tonnes	216,846 tonnes	226,475 tonnes	10
1830s	232,215 tonnes	227,536 tonnes	236,872 tonnes	10
1840s	242,415 tonnes	237,900 tonnes	246,906 tonnes	10
1850s	251,669 tonnes	248,312 tonnes	254,947 tonnes	10
1860s	258,618 tonnes	255,644 tonnes	261,499 tonnes	10
1870s	276,047 tonnes	262,105 tonnes	289,801 tonnes	10
1880s	305,901 tonnes	292,784 tonnes	318,792 tonnes	10
1890s	330,407 tonnes	321,572 tonnes	339,009 tonnes	10
1900s	311,886 tonnes	281,612 tonnes	340,833 tonnes	10
1910s	255,459 tonnes	235,173 tonnes	274,476 tonnes	10
1920s	204,464 tonnes	174,903 tonnes	230,183 tonnes	10
1930s	131,672 tonnes	100,472 tonnes	167,564 tonnes	10
1940s	107,983 tonnes	95,894 tonnes	120,993 tonnes	10
1950s	141,015 tonnes	91,301 tonnes	216,041 tonnes	10
1960s	286,246 tonnes	247,532 tonnes	337,602 tonnes	10
1970s	669,398 tonnes	348,571 tonnes	953,993 tonnes	10
1980s	996,502 tonnes	747,956 tonnes	1.16 million tonnes	10
1990s	1.36 million tonnes	1.27 million tonnes	1.57 million tonnes	10
2000s	1.83 million tonnes	1.43 million tonnes	2.08 million tonnes	10
2010s	1.28 million tonnes	1.23 million tonnes	1.34 million tonnes	10
2020s	1.22 million tonnes	1.18 million tonnes	1.25 million tonnes	3

Countries ranked near Iran

43 Colombia 1.32 million tonnes compare
44 Algeria 1.30 million tonnes compare
45 Turkey 1.28 million tonnes compare
47 Cameroon 1.25 million tonnes compare
48 United Kingdom 1.21 million tonnes compare
49 Ukraine 1.20 million tonnes compare

See the full ranking of 220 places →

More climate change data for Iran

Share of global CO₂ emissions and population 0.8% (2100)
Population growth 0.9% (2025)
Population, total 92.42 million (2025)
Urban population growth 1.4% (2025)
Urban population 71.51 million (2025)
Urban population 77.4% (2025)
CO₂ emissions per capita vs. GDP per capita 8.66 tonnes per person (2024)
Cumulative CO₂ emissions 21.81 billion tonnes (2024)
CO₂ emissions per capita 8.66 tonnes per person (2024)
CO₂ emissions per capita vs. share of electricity generation from renewables 8.66 tonnes per person (2024)

All data for Iran →

Frequently asked questions

What is emissions of air pollutants in Iran?: Emissions of air pollutants in Iran was 1.25 million tonnes in 2022, according to Hoesly et al. (2024) - Community Emissions Data System (CEDS) – with major processing by Our World in Data.
What is the highest emissions of air pollutants recorded in Iran?: The highest recorded value was 2.08 million tonnes in 2005.
What is the lowest emissions of air pollutants recorded in Iran?: The lowest recorded value was 91,301 tonnes in 1953.
How does Iran rank for emissions of air pollutants?: Iran ranks 46th out of 220 countries with data for 2022.
Is emissions of air pollutants rising or falling in Iran?: Over the last ten years it is down 0.8%. The long-run trend across the full record is volatile.
Where does this Iran data come from?: The figures come from Hoesly et al. (2024) - Community Emissions Data System (CEDS) – with major processing by Our World in Data, published as part of emissions of air pollutants. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 273 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator: emissions of air pollutants
Unit: tonnes
Source: Hoesly et al. (2024) - Community Emissions Data System (CEDS) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 220 places, 60,060 data points, 1750–2022
Last refreshed: 07 August 2026

Carbon monoxide (CO) is a pollutant produced from the incomplete combustion of carbon-based fuels such as oil, gas, wood, and coal. CO is a harmful gas that contributes to both outdoor and indoor air pollution.