What is ozone (o₃) concentration in United States?

Ozone (o₃) concentration in United States was 67 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.

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

The highest recorded value was 70 ppb in 1990.

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

The lowest recorded value was 67 ppb in 2013.

How does United States rank for ozone (o₃) concentration?

United States ranks 34th out of 187 countries with data for 2015.

Is ozone (o₃) concentration rising or falling in United States?

Over the last ten years it is down 2.9%. The long-run trend across the full record is flat.

Where does this United States 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 United States

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

United States: Ozone (O₃) concentration was 67 ppb in 2015. ▬ Flat

Latest (2015)

67 ppb

Change on year

unchanged

World rank

34th

of 187 countries

All-time high

70 ppb

in 1990

All-time low

67 ppb

in 2013

Years of data

1990–2015

Ozone (O₃) concentration in United States, 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 United States is 67 ppb, measured in 2015. That is the lowest value across all 7 years on record.

The figure is down 2.9% over ten years.

Over the whole period, ozone (o₃) concentration in United States peaked at 70 ppb in 1990 and was at its lowest, 67 ppb, in 2013.

United States ranks 34th of 187 countries on this measure, in the top quarter.

Averages by decade

Decade	Average	Lowest	Highest	Years
1990s	70 ppb	70 ppb	70 ppb	2
2000s	69.5 ppb	69 ppb	70 ppb	2
2010s	67.33 ppb	67 ppb	68 ppb	3

Countries ranked near United States

31 Albania 68 ppb compare
31 Cyprus 68 ppb compare
31 South Korea 68 ppb compare
34 Cameroon 67 ppb compare
34 Nigeria 67 ppb compare
34 Tunisia 67 ppb compare
34 Turkey 67 ppb compare

See the full ranking of 187 places →

More environment data for United States

Total greenhouse gas emissions excluding LULUCF 5,913 Mt CO2e (2024)
Total greenhouse gas emissions excluding LULUCF per capita 17.39 t CO2e/capita (2024)
Methane (CH4) emissions from Agriculture 257.35 Mt CO2e (2024)
Methane (CH4) emissions from Building (Energy) 9.47 Mt CO2e (2024)
Methane (CH4) emissions from Fugitive Emissions (Energy) 418.87 Mt CO2e (2024)
Methane (CH4) emissions from Industrial Combustion (Energy) 1.54 Mt CO2e (2024)
Methane (CH4) emissions (total) excluding LULUCF 843.36 Mt CO2e (2024)
Methane (CH4) emissions from Power Industry (Energy) 2 Mt CO2e (2024)
Methane (CH4) emissions from Transport (Energy) 3.59 Mt CO2e (2024)
Methane (CH4) emissions from Waste 149.52 Mt CO2e (2024)

All data for United States →

Frequently asked questions

What is ozone (o₃) concentration in United States?: Ozone (o₃) concentration in United States was 67 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.
What is the highest ozone (o₃) concentration recorded in United States?: The highest recorded value was 70 ppb in 1990.
What is the lowest ozone (o₃) concentration recorded in United States?: The lowest recorded value was 67 ppb in 2013.
How does United States rank for ozone (o₃) concentration?: United States ranks 34th out of 187 countries with data for 2015.
Is ozone (o₃) concentration rising or falling in United States?: Over the last ten years it is down 2.9%. The long-run trend across the full record is flat.
Where does this United States 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.