Ozone (O₃) concentration in Portugal
Portugal: Ozone (O₃) concentration was 54 ppb in 2015. ▼ Falling
Ozone (O₃) concentration in Portugal, 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 Portugal is 54 ppb, measured in 2015. That is the lowest value across all 7 years on record.
That represents a change of down 1.8% on the previous year and down 6.9% over ten years.
Over the whole period, ozone (o₃) concentration in Portugal peaked at 59 ppb in 1995 and was at its lowest, 54 ppb, in 2015.
Portugal ranks 97th of 187 countries on this measure, in the middle of the range.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 58.5 ppb | 58 ppb | 59 ppb | 2 |
| 2000s | 58.5 ppb | 58 ppb | 59 ppb | 2 |
| 2010s | 55 ppb | 54 ppb | 56 ppb | 3 |
Countries ranked near Portugal
More environment data for Portugal
- Total greenhouse gas emissions excluding LULUCF 53.17 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 4.97 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 4.92 Mt CO2e (2024)
- Methane (CH4) emissions from Building (Energy) 0.296 Mt CO2e (2024)
- Methane (CH4) emissions from Fugitive Emissions (Energy) 0.9579 Mt CO2e (2024)
- Methane (CH4) emissions from Industrial Combustion (Energy) 0.0441 Mt CO2e (2024)
- Methane (CH4) emissions (total) excluding LULUCF 11.4 Mt CO2e (2024)
- Methane (CH4) emissions from Power Industry (Energy) 0.0464 Mt CO2e (2024)
- Methane (CH4) emissions from Transport (Energy) 0.0253 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 5.1 Mt CO2e (2024)
Frequently asked questions
- What is ozone (o₃) concentration in Portugal?
- Ozone (o₃) concentration in Portugal was 54 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.
- What is the highest ozone (o₃) concentration recorded in Portugal?
- The highest recorded value was 59 ppb in 1995.
- What is the lowest ozone (o₃) concentration recorded in Portugal?
- The lowest recorded value was 54 ppb in 2015.
- How does Portugal rank for ozone (o₃) concentration?
- Portugal ranks 97th out of 187 countries with data for 2015.
- Is ozone (o₃) concentration rising or falling in Portugal?
- Over the last ten years it is down 6.9%. The long-run trend across the full record is falling.
- Where does this Portugal 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.