Ozone (O₃) concentration in Taiwan
Taiwan: Ozone (O₃) concentration was 69 ppb in 2015. ▲ Rising
Ozone (O₃) concentration in Taiwan, 1990–2015
Source: Health Effects Institute (2017) – processed by Our World in Data. Measured in ppb.
Analysis
In 2015, ozone (o₃) concentration in Taiwan stood at 69 ppb. That is the highest value across all 7 years on record.
Compared with earlier readings it is up 1.5% on the previous year and up 9.5% over ten years.
Over the whole period, ozone (o₃) concentration in Taiwan peaked at 69 ppb in 2015 and was at its lowest, 59 ppb, in 1990.
Taiwan ranks 25th of 187 countries on this measure, in the top quarter.
Ozone (O₃) concentration in Taiwan, year by year
| Year | ppb | Change |
|---|---|---|
| 1990 | 59 ppb | — |
| 1995 | 59 ppb | +0.0% |
| 2000 | 60 ppb | +1.7% |
| 2005 | 63 ppb | +5.0% |
| 2010 | 66 ppb | +4.8% |
| 2013 | 68 ppb | +3.0% |
| 2015 | 69 ppb | +1.5% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 59 ppb | 59 ppb | 59 ppb | 2 |
| 2000s | 61.5 ppb | 60 ppb | 63 ppb | 2 |
| 2010s | 67.67 ppb | 66 ppb | 69 ppb | 3 |
Countries ranked near Taiwan
More environment data for Taiwan
- Historical exposure to drought — Cropland soil moisture anomaly 0.5363 Percentage change (2025)
- Historical exposure to drought — Land soil moisture anomaly 0.4698 Percentage change (2025)
- Exposure to drought — Cropland soil moisture anomaly -4.56 Percentage change (2024)
- Exposure to drought — Land soil moisture anomaly -1.47 Percentage change (2024)
- Land use hidden — Other areas 27,620 Square kilometres (2023)
- Land use hidden — Cropland 7,790 Square kilometres (2023)
- Land use hidden — Land area 35,410 Square kilometres (2023)
- Land use hidden — Total area 35,960 Square kilometres (2023)
- Emissions of air pollutants 368,369 tonnes (2022)
- Exposure to air pollution from human sources 15.01 micrograms per cubic meter (2024)
Frequently asked questions
- What is ozone (o₃) concentration in Taiwan?
- Ozone (o₃) concentration in Taiwan was 69 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.
- What is the highest ozone (o₃) concentration recorded in Taiwan?
- The highest recorded value was 69 ppb in 2015.
- What is the lowest ozone (o₃) concentration recorded in Taiwan?
- The lowest recorded value was 59 ppb in 1990.
- How does Taiwan rank for ozone (o₃) concentration?
- Taiwan ranks 25th out of 187 countries with data for 2015.
- Is ozone (o₃) concentration rising or falling in Taiwan?
- Over the last ten years it is up 9.5%. The long-run trend across the full record is rising.
- Where does this Taiwan 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.