Ozone (O₃) concentration in Cambodia
Cambodia: Ozone (O₃) concentration was 50 ppb in 2015. ▲ Rising
Ozone (O₃) concentration in Cambodia, 1990–2015
Source: Health Effects Institute (2017) – processed by Our World in Data. Measured in ppb.
Analysis
In 2015, ozone (o₃) concentration in Cambodia stood at 50 ppb. That is the highest value across all 7 years on record.
Compared with earlier readings it is up 2.0% on the previous year and up 11.1% over ten years.
Over the whole period, ozone (o₃) concentration in Cambodia peaked at 50 ppb in 2015 and was at its lowest, 40 ppb, in 1990.
Cambodia ranks 120th of 187 countries on this measure, in the middle of the range.
Ozone (O₃) concentration in Cambodia, year by year
| Year | ppb | Change |
|---|---|---|
| 1990 | 40 ppb | — |
| 1995 | 41 ppb | +2.5% |
| 2000 | 42 ppb | +2.4% |
| 2005 | 45 ppb | +7.1% |
| 2010 | 47 ppb | +4.4% |
| 2013 | 49 ppb | +4.3% |
| 2015 | 50 ppb | +2.0% |
Cambodia compared with similar countries
- Cambodia's 50 ppb is below the median for lower middle income countries, which is 62 ppb, 81% of the median. (45 countries reporting)
- Cambodia's 50 ppb is above the median for East Asia & Pacific, which is 44 ppb, 1.1× the median. (25 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 40.5 ppb | 40 ppb | 41 ppb | 2 |
| 2000s | 43.5 ppb | 42 ppb | 45 ppb | 2 |
| 2010s | 48.67 ppb | 47 ppb | 50 ppb | 3 |
Countries ranked near Cambodia
More environment data for Cambodia
- Historical exposure to drought — Land soil moisture anomaly 0.5487 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 1.06 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.288 °C (2025)
- Temperature change 0.929 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 1.74 % 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 0.8631 % 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 Cambodia?
- Ozone (o₃) concentration in Cambodia was 50 ppb in 2015, according to Health Effects Institute (2017) – processed by Our World in Data.
- What is the highest ozone (o₃) concentration recorded in Cambodia?
- The highest recorded value was 50 ppb in 2015.
- What is the lowest ozone (o₃) concentration recorded in Cambodia?
- The lowest recorded value was 40 ppb in 1990.
- How does Cambodia rank for ozone (o₃) concentration?
- Cambodia ranks 120th out of 187 countries with data for 2015.
- Is ozone (o₃) concentration rising or falling in Cambodia?
- Over the last ten years it is up 11.1%. The long-run trend across the full record is rising.
- Where does this Cambodia 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.