Ozone (O₃) concentration in Italy
Italy: Ozone (O₃) concentration was 74 ppb in 2015. ▼ Falling
Ozone (O₃) concentration in Italy, 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 Italy is 74 ppb, measured in 2015. That is the lowest value across all 7 years on record.
That represents a change of down 1.3% on the previous year and down 3.9% over ten years.
Over the whole period, ozone (o₃) concentration in Italy peaked at 81 ppb in 1990 and was at its lowest, 74 ppb, in 2015.
Italy ranks 12th of 187 countries on this measure, in the top 10%.
Ozone (O₃) concentration in Italy, year by year
| Year | ppb | Change |
|---|---|---|
| 1990 | 81 ppb | — |
| 1995 | 80 ppb | -1.2% |
| 2000 | 79 ppb | -1.2% |
| 2005 | 77 ppb | -2.5% |
| 2010 | 76 ppb | -1.3% |
| 2013 | 75 ppb | -1.3% |
| 2015 | 74 ppb | -1.3% |
Italy compared with similar countries
- Italy's 74 ppb is above the median for high income countries, which is 55 ppb, 1.3× the median. (59 countries reporting)
- Italy's 74 ppb is above the median for Europe & Central Asia, which is 59 ppb, 1.3× the median. (50 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 80.5 ppb | 80 ppb | 81 ppb | 2 |
| 2000s | 78 ppb | 77 ppb | 79 ppb | 2 |
| 2010s | 75 ppb | 74 ppb | 76 ppb | 3 |
Countries ranked near Italy
More environment data for Italy
- Historical exposure to drought — Land soil moisture anomaly 2.04 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 2.47 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.324 °C (2025)
- Temperature change 2.18 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -1.94 % 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 -0.2257 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is ozone (o₃) concentration in Italy?
- Ozone (o₃) concentration in Italy was 74 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.
- What is the highest ozone (o₃) concentration recorded in Italy?
- The highest recorded value was 81 ppb in 1990.
- What is the lowest ozone (o₃) concentration recorded in Italy?
- The lowest recorded value was 74 ppb in 2015.
- How does Italy rank for ozone (o₃) concentration?
- Italy ranks 12th out of 187 countries with data for 2015.
- Is ozone (o₃) concentration rising or falling in Italy?
- Over the last ten years it is down 3.9%. The long-run trend across the full record is falling.
- Where does this Italy 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.