What is ozone (o₃) concentration in Madagascar?

Ozone (o₃) concentration in Madagascar was 40 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.

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

The highest recorded value was 40 ppb in 2010.

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

The lowest recorded value was 39 ppb in 1990.

How does Madagascar rank for ozone (o₃) concentration?

Madagascar ranks 162nd out of 187 countries with data for 2015.

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

Over the last ten years it is up 2.6%. The long-run trend across the full record is flat.

Where does this Madagascar 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 Madagascar

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

Madagascar: Ozone (O₃) concentration was 40 ppb in 2015. ▬ Flat

Latest (2015)

40 ppb

Change on year

unchanged

World rank

162nd

of 187 countries

All-time high

40 ppb

in 2010

All-time low

39 ppb

in 1990

Years of data

1990–2015

Ozone (O₃) concentration in Madagascar, 1990–2015

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

Analysis

In 2015, ozone (o₃) concentration in Madagascar stood at 40 ppb. That is the highest value across all 7 years on record.

The figure is up 2.6% over ten years.

Over the whole period, ozone (o₃) concentration in Madagascar peaked at 40 ppb in 2010 and was at its lowest, 39 ppb, in 1990.

That places Madagascar 162nd out of 187 countries with data for 2015, putting it in the bottom quarter.

Averages by decade

Decade	Average	Lowest	Highest	Years
1990s	39 ppb	39 ppb	39 ppb	2
2000s	39 ppb	39 ppb	39 ppb	2
2010s	40 ppb	40 ppb	40 ppb	3

Countries ranked near Madagascar

162 Argentina 40 ppb compare
162 Brunei 40 ppb compare
162 Mauritius 40 ppb compare
162 Philippines 40 ppb compare
162 Saint Lucia 40 ppb compare
162 Somalia 40 ppb compare

See the full ranking of 187 places →

More environment data for Madagascar

Total greenhouse gas emissions excluding LULUCF 35.79 Mt CO2e (2024)
Total greenhouse gas emissions excluding LULUCF per capita 1.12 t CO2e/capita (2024)
Methane (CH4) emissions from Agriculture 17.89 Mt CO2e (2024)
Methane (CH4) emissions from Building (Energy) 1.74 Mt CO2e (2024)
Methane (CH4) emissions from Fugitive Emissions (Energy) 3.06 Mt CO2e (2024)
Methane (CH4) emissions from Industrial Combustion (Energy) 0.0204 Mt CO2e (2024)
Methane (CH4) emissions (total) excluding LULUCF 25.4 Mt CO2e (2024)
Methane (CH4) emissions from Power Industry (Energy) 0.0018 Mt CO2e (2024)
Methane (CH4) emissions from Transport (Energy) 0.0078 Mt CO2e (2024)
Methane (CH4) emissions from Waste 2.67 Mt CO2e (2024)

All data for Madagascar →

Frequently asked questions

What is ozone (o₃) concentration in Madagascar?: Ozone (o₃) concentration in Madagascar was 40 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.
What is the highest ozone (o₃) concentration recorded in Madagascar?: The highest recorded value was 40 ppb in 2010.
What is the lowest ozone (o₃) concentration recorded in Madagascar?: The lowest recorded value was 39 ppb in 1990.
How does Madagascar rank for ozone (o₃) concentration?: Madagascar ranks 162nd out of 187 countries with data for 2015.
Is ozone (o₃) concentration rising or falling in Madagascar?: Over the last ten years it is up 2.6%. The long-run trend across the full record is flat.
Where does this Madagascar 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.