Ozone (O₃) concentration in United States
United States: Ozone (O₃) concentration was 67 ppb in 2015. ▬ Flat
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.
Ozone (O₃) concentration in United States, year by year
| Year | ppb | Change |
|---|---|---|
| 1990 | 70 ppb | — |
| 1995 | 70 ppb | +0.0% |
| 2000 | 70 ppb | +0.0% |
| 2005 | 69 ppb | -1.4% |
| 2010 | 68 ppb | -1.4% |
| 2013 | 67 ppb | -1.5% |
| 2015 | 67 ppb | +0.0% |
United States compared with similar countries
- United States's 67 ppb is above the median for high income countries, which is 55 ppb, 1.2× the median. (59 countries reporting)
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
More environment data for United States
- Historical exposure to drought — Land soil moisture anomaly -2.64 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -2.16 Percentage change (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 0.3672 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate -0.624 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual 0.1269 % change on previous year (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), per unit of 0 Mt CO2e per US$ of GDP (2024)
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
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.