Ozone (O₃) concentration in New Zealand
New Zealand: Ozone (O₃) concentration was 35 ppb in 2015. ▬ Flat
Ozone (O₃) concentration in New Zealand, 1990–2015
Source: Health Effects Institute (2017) – processed by Our World in Data. Measured in ppb.
Analysis
In 2015, ozone (o₃) concentration in New Zealand stood at 35 ppb. That is the highest value across all 7 years on record.
Compared with earlier readings it is unchanged over ten years.
Over the whole period, ozone (o₃) concentration in New Zealand peaked at 35 ppb in 2005 and was at its lowest, 34 ppb, in 1990.
New Zealand ranks 178th of 187 countries on this measure, in the bottom quarter.
Ozone (O₃) concentration in New Zealand, year by year
| Year | ppb | Change |
|---|---|---|
| 1990 | 34 ppb | — |
| 1995 | 34 ppb | +0.0% |
| 2000 | 34 ppb | +0.0% |
| 2005 | 35 ppb | +2.9% |
| 2010 | 35 ppb | +0.0% |
| 2013 | 35 ppb | +0.0% |
| 2015 | 35 ppb | +0.0% |
New Zealand compared with similar countries
- New Zealand's 35 ppb is below the median for high income countries, which is 55 ppb, 64% of the median. (59 countries reporting)
- New Zealand's 35 ppb is below the median for East Asia & Pacific, which is 44 ppb, 80% of the median. (25 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 34 ppb | 34 ppb | 34 ppb | 2 |
| 2000s | 34.5 ppb | 34 ppb | 35 ppb | 2 |
| 2010s | 35 ppb | 35 ppb | 35 ppb | 3 |
Countries ranked near New Zealand
More environment data for New Zealand
- Historical exposure to drought — Land soil moisture anomaly -0.2131 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 1.69 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.379 °C (2025)
- Temperature change 1.23 °C (2025)
- Wood-based panels — Production, annual growth rate 0.1365 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -0.474 % 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 -0.9337 % change on previous year (2024)
Frequently asked questions
- What is ozone (o₃) concentration in New Zealand?
- Ozone (o₃) concentration in New Zealand was 35 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.
- What is the highest ozone (o₃) concentration recorded in New Zealand?
- The highest recorded value was 35 ppb in 2005.
- What is the lowest ozone (o₃) concentration recorded in New Zealand?
- The lowest recorded value was 34 ppb in 1990.
- How does New Zealand rank for ozone (o₃) concentration?
- New Zealand ranks 178th out of 187 countries with data for 2015.
- Is ozone (o₃) concentration rising or falling in New Zealand?
- Over the last ten years it is unchanged. The long-run trend across the full record is flat.
- Where does this New Zealand 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.