New Caledonia vs Sierra Leone: Emissions of air pollutants
New Caledonia
23,358 tonnes
in 2022
Sierra Leone
24,282 tonnes
in 2022
New Caledonia rank
158th
Sierra Leone rank
155th
Emissions of air pollutants over time
- New Caledonia
- Sierra Leone
How they compare
Sierra Leone currently reports 24,282 tonnes against 23,358 tonnes in New Caledonia, a difference of 924 tonnes.
The two have swapped places 6 times across 273 shared years of data; in 1750 it was Sierra Leone ahead.
New Caledonia ranks 158th and Sierra Leone ranks 155th of 220 countries.
Across the 28 decades both report, New Caledonia averaged higher in 4 and Sierra Leone in 24.
Head to head by decade
| Decade | New Caledonia | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1750s | 11.25 tonnes | 50.1 tonnes | 38.85 tonnes | Sierra Leone |
| 1760s | 11.84 tonnes | 50.25 tonnes | 38.41 tonnes | Sierra Leone |
| 1770s | 12.46 tonnes | 50.39 tonnes | 37.93 tonnes | Sierra Leone |
| 1780s | 13.11 tonnes | 50.53 tonnes | 37.42 tonnes | Sierra Leone |
| 1790s | 13.8 tonnes | 50.67 tonnes | 36.87 tonnes | Sierra Leone |
| 1800s | 14.74 tonnes | 51.29 tonnes | 36.55 tonnes | Sierra Leone |
| 1810s | 16.04 tonnes | 52.62 tonnes | 36.58 tonnes | Sierra Leone |
| 1820s | 17.46 tonnes | 54.1 tonnes | 36.65 tonnes | Sierra Leone |
| 1830s | 18.98 tonnes | 55.61 tonnes | 36.63 tonnes | Sierra Leone |
| 1840s | 20.62 tonnes | 57.13 tonnes | 36.51 tonnes | Sierra Leone |
| 1850s | 22.58 tonnes | 58.67 tonnes | 36.09 tonnes | Sierra Leone |
| 1860s | 25.19 tonnes | 61.3 tonnes | 36.11 tonnes | Sierra Leone |
| 1870s | 28.29 tonnes | 65.34 tonnes | 37.05 tonnes | Sierra Leone |
| 1880s | 31.75 tonnes | 69.59 tonnes | 37.84 tonnes | Sierra Leone |
| 1890s | 35.42 tonnes | 77 tonnes | 41.58 tonnes | Sierra Leone |
| 1900s | 39.8 tonnes | 166.49 tonnes | 126.68 tonnes | Sierra Leone |
| 1910s | 45.55 tonnes | 273.69 tonnes | 228.15 tonnes | Sierra Leone |
| 1920s | 50.75 tonnes | 420.97 tonnes | 370.22 tonnes | Sierra Leone |
| 1930s | 53.36 tonnes | 643.35 tonnes | 589.98 tonnes | Sierra Leone |
| 1940s | 53.48 tonnes | 935.25 tonnes | 881.77 tonnes | Sierra Leone |
| 1950s | 2,439 tonnes | 4,104 tonnes | 1,665 tonnes | Sierra Leone |
| 1960s | 4,448 tonnes | 6,899 tonnes | 2,451 tonnes | Sierra Leone |
| 1970s | 11,855 tonnes | 13,778 tonnes | 1,923 tonnes | Sierra Leone |
| 1980s | 8,722 tonnes | 18,411 tonnes | 9,690 tonnes | Sierra Leone |
| 1990s | 13,943 tonnes | 12,143 tonnes | 1,799 tonnes | New Caledonia |
| 2000s | 21,418 tonnes | 10,898 tonnes | 10,520 tonnes | New Caledonia |
| 2010s | 24,430 tonnes | 17,899 tonnes | 6,530 tonnes | New Caledonia |
| 2020s | 23,640 tonnes | 23,033 tonnes | 606.93 tonnes | New Caledonia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher emissions of air pollutants, New Caledonia or Sierra Leone?
- Sierra Leone, at 24,282 tonnes against 23,358 tonnes in New Caledonia as of 2022.
- What is the difference in emissions of air pollutants between New Caledonia and Sierra Leone?
- 924 tonnes, with Sierra Leone ahead.
- How many years of comparable data are there for New Caledonia and Sierra Leone?
- 273 years are reported by both, from 1750 to 2022.
- How do New Caledonia and Sierra Leone rank globally for emissions of air pollutants?
- New Caledonia ranks 158th and Sierra Leone ranks 155th of 220 countries.
- Where does this data come from?
- Hoesly et al. (2024) - Community Emissions Data System (CEDS) – with major processing by Our World in Data, published as Emissions of air pollutants. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Nitrogen oxides (NOₓ) are gases that are mainly formed during the burning of fossil fuels. Exposure to NOₓ gases can have negative impacts on respiratory health. NOₓ gases can also lead to the formation of ozone – another air pollutant.