What is emissions of air pollutants in Reunion?

Emissions of air pollutants in Reunion was 34,888 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 Reunion?

The highest recorded value was 34,888 tonnes in 2022.

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

The lowest recorded value was 1.43 tonnes in 1750.

How does Reunion rank for emissions of air pollutants?

Reunion ranks 140th out of 220 countries with data for 2022.

Is emissions of air pollutants rising or falling in Reunion?

Over the last ten years it is up 62.3%. The long-run trend across the full record is volatile.

Where does this Reunion 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 Reunion

Name: Emissions of air pollutants in Reunion
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)

Reunion: Emissions of air pollutants was 34,888 tonnes in 2022. ◆ Volatile

Latest (2022)

34,888 tonnes

Change on year

up 9.5%

World rank

140th

of 220 countries

All-time high

34,888 tonnes

in 2022

All-time low

1.43 tonnes

in 1750

Years of data

273

1750–2022

Emissions of air pollutants in Reunion, 1750–2022

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

Analysis

In 2022, emissions of air pollutants in Reunion stood at 34,888 tonnes. That is the highest value across all 273 years on record.

The figure is up 9.5% on the previous year and up 62.3% over ten years.

Over the whole period, emissions of air pollutants in Reunion peaked at 34,888 tonnes in 2022 and was at its lowest, 1.43 tonnes, in 1750.

Reunion ranks 140th of 220 countries on this measure, in the middle of the range.

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	1.56 tonnes	1.43 tonnes	1.69 tonnes	10
1760s	1.87 tonnes	1.72 tonnes	2.02 tonnes	10
1770s	2.24 tonnes	2.06 tonnes	2.42 tonnes	10
1780s	2.77 tonnes	2.46 tonnes	3.08 tonnes	10
1790s	3.46 tonnes	3.15 tonnes	3.77 tonnes	10
1800s	4.17 tonnes	3.84 tonnes	4.5 tonnes	10
1810s	4.9 tonnes	4.57 tonnes	5.22 tonnes	10
1820s	5.57 tonnes	5.3 tonnes	5.84 tonnes	10
1830s	6.39 tonnes	5.9 tonnes	6.88 tonnes	10
1840s	7.2 tonnes	6.99 tonnes	7.4 tonnes	10
1850s	9.31 tonnes	7.45 tonnes	11.06 tonnes	10
1860s	12.25 tonnes	11.44 tonnes	13.06 tonnes	10
1870s	13.42 tonnes	13.25 tonnes	13.56 tonnes	10
1880s	13.35 tonnes	13.1 tonnes	13.6 tonnes	10
1890s	13.56 tonnes	13.06 tonnes	14.05 tonnes	10
1900s	14.86 tonnes	14.16 tonnes	15.59 tonnes	10
1910s	16.4 tonnes	15.75 tonnes	17.02 tonnes	10
1920s	22.72 tonnes	17.15 tonnes	30.07 tonnes	10
1930s	39.33 tonnes	31.32 tonnes	53.32 tonnes	10
1940s	83.29 tonnes	58.12 tonnes	111.19 tonnes	10
1950s	669.54 tonnes	417.86 tonnes	1,003 tonnes	10
1960s	1,857 tonnes	1,046 tonnes	2,696 tonnes	10
1970s	6,242 tonnes	4,011 tonnes	10,234 tonnes	10
1980s	10,445 tonnes	8,490 tonnes	14,169 tonnes	10
1990s	15,784 tonnes	11,531 tonnes	21,739 tonnes	10
2000s	19,407 tonnes	17,838 tonnes	21,512 tonnes	10
2010s	24,794 tonnes	20,311 tonnes	30,924 tonnes	10
2020s	32,688 tonnes	31,304 tonnes	34,888 tonnes	3

Countries ranked near Reunion

137 Bosnia and Herzegovina 39,262 tonnes compare
138 Guyana 38,237 tonnes compare
139 South Sudan 35,475 tonnes compare
141 Somalia 34,661 tonnes compare
142 Moldova 34,168 tonnes compare
143 Malawi 33,528 tonnes compare

See the full ranking of 220 places →

More environment data for Reunion

Forest area 77,150 hectares (2025)
Share of global forest area 0.0% (2025)
Annual change in forest area 16 hectares (2025)
Annual change in forest area as a share of forest area 0.0% (2025)
Annual change in forest area vs. GDP per capita 0.0% (2025)
Change in domestic forest area vs. deforestation embedded in imported goods 16 hectares (2025)
Exposure to air pollution from human sources 2.66 micrograms per cubic meter (2024)
Exposure to outdoor air pollution 5 µg/m³ (2024)
Land use over the long-term 15,446 hectares (2025)
Grazing land use over the long-term 15,446 hectares (2025)

All data for Reunion →

Frequently asked questions

What is emissions of air pollutants in Reunion?: Emissions of air pollutants in Reunion was 34,888 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 Reunion?: The highest recorded value was 34,888 tonnes in 2022.
What is the lowest emissions of air pollutants recorded in Reunion?: The lowest recorded value was 1.43 tonnes in 1750.
How does Reunion rank for emissions of air pollutants?: Reunion ranks 140th out of 220 countries with data for 2022.
Is emissions of air pollutants rising or falling in Reunion?: Over the last ten years it is up 62.3%. The long-run trend across the full record is volatile.
Where does this Reunion 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

Nitrogen oxides (NOₓ) are gases that are mainly formed during the burning of fossil fuels. Exposure to NOₓ gases can have negative impacts on respiratory health. NOₓ gases can also lead to the formation of ozone – another air pollutant.