What is ozone (o₃) concentration in Eswatini?

Ozone (o₃) concentration in Eswatini was 51 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.

What is the highest ozone (o₃) concentration recorded in Eswatini?

The highest recorded value was 51 ppb in 2013.

What is the lowest ozone (o₃) concentration recorded in Eswatini?

The lowest recorded value was 48 ppb in 1990.

How does Eswatini rank for ozone (o₃) concentration?

Eswatini ranks 113th out of 187 countries with data for 2015.

Is ozone (o₃) concentration rising or falling in Eswatini?

Over the last ten years it is up 4.1%. The long-run trend across the full record is rising.

Where does this Eswatini 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.

Ozone (O₃) concentration in Eswatini

Name: Ozone (O₃) concentration in Eswatini
Creator: Health Effects Institute (2017) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

Eswatini: Ozone (O₃) concentration was 51 ppb in 2015. ▲ Rising

Latest (2015)

51 ppb

Change on year

unchanged

World rank

113th

of 187 countries

All-time high

51 ppb

in 2013

All-time low

48 ppb

in 1990

Years of data

1990–2015

Ozone (O₃) concentration in Eswatini, 1990–2015

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

Analysis

The most recent figure for ozone (o₃) concentration in Eswatini is 51 ppb, measured in 2015. That is the highest value across all 7 years on record.

Compared with earlier readings it is up 4.1% over ten years.

Over the whole period, ozone (o₃) concentration in Eswatini peaked at 51 ppb in 2013 and was at its lowest, 48 ppb, in 1990.

Eswatini ranks 113th of 187 countries on this measure, in the middle of the range.

Averages by decade

Decade	Average	Lowest	Highest	Years
1990s	48 ppb	48 ppb	48 ppb	2
2000s	49 ppb	49 ppb	49 ppb	2
2010s	50.67 ppb	50 ppb	51 ppb	3

Countries ranked near Eswatini

113 Belarus 51 ppb compare
113 Ethiopia 51 ppb compare
113 Gabon 51 ppb compare
113 Lithuania 51 ppb compare
113 Sudan 51 ppb compare
113 Uganda 51 ppb compare

See the full ranking of 187 places →

More environment data for Eswatini

Total greenhouse gas emissions excluding LULUCF 2.93 Mt CO2e (2024)
Total greenhouse gas emissions excluding LULUCF per capita 2.36 t CO2e/capita (2024)
Methane (CH4) emissions from Agriculture 0.7887 Mt CO2e (2024)
Methane (CH4) emissions from Building (Energy) 0.1053 Mt CO2e (2024)
Methane (CH4) emissions from Fugitive Emissions (Energy) 0.3101 Mt CO2e (2024)
Methane (CH4) emissions from Industrial Combustion (Energy) 0.0117 Mt CO2e (2024)
Methane (CH4) emissions (total) excluding LULUCF 1.38 Mt CO2e (2024)
Methane (CH4) emissions from Power Industry (Energy) 0.0022 Mt CO2e (2024)
Methane (CH4) emissions from Transport (Energy) 0.0054 Mt CO2e (2024)
Methane (CH4) emissions from Waste 0.157 Mt CO2e (2024)

All data for Eswatini →

Frequently asked questions

What is ozone (o₃) concentration in Eswatini?: Ozone (o₃) concentration in Eswatini was 51 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.
What is the highest ozone (o₃) concentration recorded in Eswatini?: The highest recorded value was 51 ppb in 2013.
What is the lowest ozone (o₃) concentration recorded in Eswatini?: The lowest recorded value was 48 ppb in 1990.
How does Eswatini rank for ozone (o₃) concentration?: Eswatini ranks 113th out of 187 countries with data for 2015.
Is ozone (o₃) concentration rising or falling in Eswatini?: Over the last ten years it is up 4.1%. The long-run trend across the full record is rising.
Where does this Eswatini 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: 07 August 2026

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.