Emissions of air pollutants in Cambodia
Cambodia: Emissions of air pollutants was 193,897 tonnes in 2022. ◆ Volatile
Latest (2022)
193,897 tonnes
Change on year
up 0.4%
World rank
69th
of 220 countries
All-time high
193,897 tonnes
in 2022
All-time low
371.23 tonnes
in 1750
Years of data
273
1750–2022
Emissions of air pollutants in Cambodia, 1750–2022
Source: Hoesly et al. (2024) – Community Emissions Data System (CEDS) – with major processing by Our World in Data. Measured in tonnes.
Analysis
The most recent figure for emissions of air pollutants in Cambodia is 193,897 tonnes, measured in 2022. That is the highest value across all 273 years on record.
The figure is up 0.4% on the previous year and up 78.3% over ten years.
Over the whole period, emissions of air pollutants in Cambodia peaked at 193,897 tonnes in 2022 and was at its lowest, 371.23 tonnes, in 1750.
That places Cambodia 69th out of 220 countries with data for 2022, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Emissions of air pollutants in Cambodia, year by year
| Year | tonnes | Change |
|---|---|---|
| 1750 | 371.23 tonnes | — |
| 1751 | 371.96 tonnes | +0.2% |
| 1752 | 372.7 tonnes | +0.2% |
| 1753 | 373.44 tonnes | +0.2% |
| 1754 | 374.18 tonnes | +0.2% |
| 1755 | 374.92 tonnes | +0.2% |
| 1756 | 375.66 tonnes | +0.2% |
| 1757 | 376.39 tonnes | +0.2% |
| 1758 | 377.13 tonnes | +0.2% |
| 1759 | 377.87 tonnes | +0.2% |
| 1760 | 378.61 tonnes | +0.2% |
| 1761 | 379.36 tonnes | +0.2% |
| 1762 | 380.11 tonnes | +0.2% |
| 1763 | 380.86 tonnes | +0.2% |
| 1764 | 381.61 tonnes | +0.2% |
| 1765 | 382.36 tonnes | +0.2% |
| 1766 | 383.11 tonnes | +0.2% |
| 1767 | 383.86 tonnes | +0.2% |
| 1768 | 384.61 tonnes | +0.2% |
| 1769 | 385.36 tonnes | +0.2% |
| 1770 | 386.11 tonnes | +0.2% |
| 1771 | 386.88 tonnes | +0.2% |
| 1772 | 387.64 tonnes | +0.2% |
| 1773 | 388.41 tonnes | +0.2% |
| 1774 | 389.17 tonnes | +0.2% |
| 1775 | 389.93 tonnes | +0.2% |
| 1776 | 390.7 tonnes | +0.2% |
| 1777 | 391.46 tonnes | +0.2% |
| 1778 | 392.22 tonnes | +0.2% |
| 1779 | 392.99 tonnes | +0.2% |
| 1780 | 393.75 tonnes | +0.2% |
| 1781 | 394.53 tonnes | +0.2% |
| 1782 | 395.3 tonnes | +0.2% |
| 1783 | 396.08 tonnes | +0.2% |
| 1784 | 396.86 tonnes | +0.2% |
| 1785 | 397.63 tonnes | +0.2% |
| 1786 | 398.41 tonnes | +0.2% |
| 1787 | 399.18 tonnes | +0.2% |
| 1788 | 399.96 tonnes | +0.2% |
| 1789 | 400.74 tonnes | +0.2% |
| 1790 | 401.51 tonnes | +0.2% |
| 1791 | 402.3 tonnes | +0.2% |
| 1792 | 403.09 tonnes | +0.2% |
| 1793 | 403.88 tonnes | +0.2% |
| 1794 | 404.67 tonnes | +0.2% |
| 1795 | 405.46 tonnes | +0.2% |
| 1796 | 406.25 tonnes | +0.2% |
| 1797 | 407.03 tonnes | +0.2% |
| 1798 | 407.82 tonnes | +0.2% |
| 1799 | 408.61 tonnes | +0.2% |
| 1800 | 409.4 tonnes | +0.2% |
| 1801 | 410.9 tonnes | +0.4% |
| 1802 | 412.4 tonnes | +0.4% |
| 1803 | 413.9 tonnes | +0.4% |
| 1804 | 415.4 tonnes | +0.4% |
| 1805 | 416.91 tonnes | +0.4% |
| 1806 | 418.42 tonnes | +0.4% |
| 1807 | 419.92 tonnes | +0.4% |
| 1808 | 421.44 tonnes | +0.4% |
| 1809 | 422.96 tonnes | +0.4% |
| 1810 | 424.48 tonnes | +0.4% |
| 1811 | 426.02 tonnes | +0.4% |
| 1812 | 427.56 tonnes | +0.4% |
| 1813 | 429.1 tonnes | +0.4% |
| 1814 | 430.65 tonnes | +0.4% |
| 1815 | 432.2 tonnes | +0.4% |
| 1816 | 433.74 tonnes | +0.4% |
| 1817 | 435.29 tonnes | +0.4% |
| 1818 | 436.85 tonnes | +0.4% |
| 1819 | 438.41 tonnes | +0.4% |
| 1820 | 439.97 tonnes | +0.4% |
| 1821 | 441.49 tonnes | +0.3% |
| 1822 | 443.01 tonnes | +0.3% |
| 1823 | 444.54 tonnes | +0.3% |
| 1824 | 446.06 tonnes | +0.3% |
| 1825 | 447.6 tonnes | +0.3% |
| 1826 | 449.12 tonnes | +0.3% |
| 1827 | 450.65 tonnes | +0.3% |
| 1828 | 452.19 tonnes | +0.3% |
| 1829 | 453.73 tonnes | +0.3% |
| 1830 | 455.27 tonnes | +0.3% |
| 1831 | 457.05 tonnes | +0.4% |
| 1832 | 458.82 tonnes | +0.4% |
| 1833 | 460.61 tonnes | +0.4% |
| 1834 | 462.39 tonnes | +0.4% |
| 1835 | 464.18 tonnes | +0.4% |
| 1836 | 465.96 tonnes | +0.4% |
| 1837 | 467.75 tonnes | +0.4% |
| 1838 | 469.55 tonnes | +0.4% |
| 1839 | 471.35 tonnes | +0.4% |
| 1840 | 473.16 tonnes | +0.4% |
| 1841 | 474.99 tonnes | +0.4% |
| 1842 | 476.82 tonnes | +0.4% |
| 1843 | 478.65 tonnes | +0.4% |
| 1844 | 480.49 tonnes | +0.4% |
| 1845 | 482.32 tonnes | +0.4% |
| 1846 | 484.17 tonnes | +0.4% |
| 1847 | 486.02 tonnes | +0.4% |
| 1848 | 487.87 tonnes | +0.4% |
| 1849 | 489.73 tonnes | +0.4% |
| 1850 | 491.59 tonnes | +0.4% |
| 1851 | 494.32 tonnes | +0.6% |
| 1852 | 497.07 tonnes | +0.6% |
| 1853 | 499.82 tonnes | +0.6% |
| 1854 | 502.6 tonnes | +0.6% |
| 1855 | 505.37 tonnes | +0.6% |
| 1856 | 508.16 tonnes | +0.6% |
| 1857 | 510.97 tonnes | +0.6% |
| 1858 | 513.79 tonnes | +0.6% |
| 1859 | 516.63 tonnes | +0.6% |
| 1860 | 519.47 tonnes | +0.6% |
| 1861 | 523.5 tonnes | +0.8% |
| 1862 | 527.54 tonnes | +0.8% |
| 1863 | 531.6 tonnes | +0.8% |
| 1864 | 535.69 tonnes | +0.8% |
| 1865 | 539.78 tonnes | +0.8% |
| 1866 | 543.9 tonnes | +0.8% |
| 1867 | 548.04 tonnes | +0.8% |
| 1868 | 552.19 tonnes | +0.8% |
| 1869 | 556.37 tonnes | +0.8% |
| 1870 | 564.44 tonnes | +1.5% |
| 1871 | 570.19 tonnes | +1.0% |
| 1872 | 575.96 tonnes | +1.0% |
| 1873 | 581.77 tonnes | +1.0% |
| 1874 | 587.61 tonnes | +1.0% |
| 1875 | 593.47 tonnes | +1.0% |
| 1876 | 599.48 tonnes | +1.0% |
| 1877 | 605.53 tonnes | +1.0% |
| 1878 | 611.6 tonnes | +1.0% |
| 1879 | 617.73 tonnes | +1.0% |
| 1880 | 623.88 tonnes | +1.0% |
| 1881 | 630.5 tonnes | +1.1% |
| 1882 | 637.17 tonnes | +1.1% |
| 1883 | 643.84 tonnes | +1.0% |
| 1884 | 650.53 tonnes | +1.0% |
| 1885 | 657.27 tonnes | +1.0% |
| 1886 | 664.06 tonnes | +1.0% |
| 1887 | 671.15 tonnes | +1.1% |
| 1888 | 690.77 tonnes | +2.9% |
| 1889 | 710.61 tonnes | +2.9% |
| 1890 | 730.69 tonnes | +2.8% |
| 1891 | 751.12 tonnes | +2.8% |
| 1892 | 771.79 tonnes | +2.8% |
| 1893 | 792.69 tonnes | +2.7% |
| 1894 | 813.79 tonnes | +2.7% |
| 1895 | 835.12 tonnes | +2.6% |
| 1896 | 856.75 tonnes | +2.6% |
| 1897 | 878.59 tonnes | +2.5% |
| 1898 | 900.6 tonnes | +2.5% |
| 1899 | 922.83 tonnes | +2.5% |
| 1900 | 945.26 tonnes | +2.4% |
| 1901 | 1,026 tonnes | +8.5% |
| 1902 | 1,108 tonnes | +8.0% |
| 1903 | 1,190 tonnes | +7.5% |
| 1904 | 1,275 tonnes | +7.1% |
| 1905 | 1,360 tonnes | +6.7% |
| 1906 | 1,466 tonnes | +7.8% |
| 1907 | 1,573 tonnes | +7.3% |
| 1908 | 1,682 tonnes | +6.9% |
| 1909 | 1,792 tonnes | +6.5% |
| 1910 | 1,903 tonnes | +6.2% |
| 1911 | 2,017 tonnes | +6.0% |
| 1912 | 2,131 tonnes | +5.7% |
| 1913 | 2,248 tonnes | +5.5% |
| 1914 | 2,365 tonnes | +5.2% |
| 1915 | 2,485 tonnes | +5.0% |
| 1916 | 2,605 tonnes | +4.9% |
| 1917 | 2,728 tonnes | +4.7% |
| 1918 | 2,852 tonnes | +4.5% |
| 1919 | 2,974 tonnes | +4.3% |
| 1920 | 3,096 tonnes | +4.1% |
| 1921 | 3,207 tonnes | +3.6% |
| 1922 | 3,362 tonnes | +4.9% |
| 1923 | 3,611 tonnes | +7.4% |
| 1924 | 3,763 tonnes | +4.2% |
| 1925 | 4,029 tonnes | +7.1% |
| 1926 | 4,194 tonnes | +4.1% |
| 1927 | 4,349 tonnes | +3.7% |
| 1928 | 4,500 tonnes | +3.5% |
| 1929 | 4,733 tonnes | +5.2% |
| 1930 | 4,769 tonnes | +0.8% |
| 1931 | 4,815 tonnes | +0.9% |
| 1932 | 4,759 tonnes | -1.2% |
| 1933 | 4,795 tonnes | +0.7% |
| 1934 | 4,828 tonnes | +0.7% |
| 1935 | 4,858 tonnes | +0.6% |
| 1936 | 5,086 tonnes | +4.7% |
| 1937 | 5,309 tonnes | +4.4% |
| 1938 | 5,528 tonnes | +4.1% |
| 1939 | 5,743 tonnes | +3.9% |
| 1940 | 5,954 tonnes | +3.7% |
| 1941 | 6,169 tonnes | +3.6% |
| 1942 | 6,284 tonnes | +1.9% |
| 1943 | 6,494 tonnes | +3.3% |
| 1944 | 6,703 tonnes | +3.2% |
| 1945 | 6,817 tonnes | +1.7% |
| 1946 | 7,032 tonnes | +3.1% |
| 1947 | 7,248 tonnes | +3.1% |
| 1948 | 7,368 tonnes | +1.7% |
| 1949 | 7,588 tonnes | +3.0% |
| 1950 | 7,862 tonnes | +3.6% |
| 1951 | 8,639 tonnes | +9.9% |
| 1952 | 9,432 tonnes | +9.2% |
| 1953 | 10,242 tonnes | +8.6% |
| 1954 | 11,058 tonnes | +8.0% |
| 1955 | 14,216 tonnes | +28.6% |
| 1956 | 15,589 tonnes | +9.7% |
| 1957 | 16,958 tonnes | +8.8% |
| 1958 | 18,486 tonnes | +9.0% |
| 1959 | 19,521 tonnes | +5.6% |
| 1960 | 20,702 tonnes | +6.1% |
| 1961 | 26,606 tonnes | +28.5% |
| 1962 | 27,218 tonnes | +2.3% |
| 1963 | 28,933 tonnes | +6.3% |
| 1964 | 27,359 tonnes | -5.4% |
| 1965 | 27,395 tonnes | +0.1% |
| 1966 | 28,223 tonnes | +3.0% |
| 1967 | 28,464 tonnes | +0.9% |
| 1968 | 28,773 tonnes | +1.1% |
| 1969 | 46,396 tonnes | +61.2% |
| 1970 | 42,240 tonnes | -9.0% |
| 1971 | 23,560 tonnes | -44.2% |
| 1972 | 20,148 tonnes | -14.5% |
| 1973 | 18,918 tonnes | -6.1% |
| 1974 | 17,101 tonnes | -9.6% |
| 1975 | 15,626 tonnes | -8.6% |
| 1976 | 13,387 tonnes | -14.3% |
| 1977 | 12,694 tonnes | -5.2% |
| 1978 | 12,120 tonnes | -4.5% |
| 1979 | 10,755 tonnes | -11.3% |
| 1980 | 17,034 tonnes | +58.4% |
| 1981 | 17,931 tonnes | +5.3% |
| 1982 | 21,156 tonnes | +18.0% |
| 1983 | 22,495 tonnes | +6.3% |
| 1984 | 25,502 tonnes | +13.4% |
| 1985 | 25,202 tonnes | -1.2% |
| 1986 | 26,602 tonnes | +5.6% |
| 1987 | 27,366 tonnes | +2.9% |
| 1988 | 29,179 tonnes | +6.6% |
| 1989 | 30,216 tonnes | +3.6% |
| 1990 | 36,958 tonnes | +22.3% |
| 1991 | 38,335 tonnes | +3.7% |
| 1992 | 41,964 tonnes | +9.5% |
| 1993 | 43,475 tonnes | +3.6% |
| 1994 | 44,396 tonnes | +2.1% |
| 1995 | 88,531 tonnes | +99.4% |
| 1996 | 88,691 tonnes | +0.2% |
| 1997 | 91,822 tonnes | +3.5% |
| 1998 | 95,214 tonnes | +3.7% |
| 1999 | 97,322 tonnes | +2.2% |
| 2000 | 92,754 tonnes | -4.7% |
| 2001 | 93,466 tonnes | +0.8% |
| 2002 | 86,720 tonnes | -7.2% |
| 2003 | 79,132 tonnes | -8.8% |
| 2004 | 79,563 tonnes | +0.5% |
| 2005 | 82,710 tonnes | +4.0% |
| 2006 | 83,458 tonnes | +0.9% |
| 2007 | 85,731 tonnes | +2.7% |
| 2008 | 87,650 tonnes | +2.2% |
| 2009 | 100,596 tonnes | +14.8% |
| 2010 | 99,546 tonnes | -1.0% |
| 2011 | 104,906 tonnes | +5.4% |
| 2012 | 108,765 tonnes | +3.7% |
| 2013 | 110,213 tonnes | +1.3% |
| 2014 | 119,604 tonnes | +8.5% |
| 2015 | 130,179 tonnes | +8.8% |
| 2016 | 145,745 tonnes | +12.0% |
| 2017 | 150,191 tonnes | +3.1% |
| 2018 | 156,619 tonnes | +4.3% |
| 2019 | 187,087 tonnes | +19.5% |
| 2020 | 191,600 tonnes | +2.4% |
| 2021 | 193,094 tonnes | +0.8% |
| 2022 | 193,897 tonnes | +0.4% |
Cambodia compared with similar countries
- Cambodia's 193,897 tonnes is above the median for lower middle income countries, which is 74,017 tonnes, 2.6× the median. (47 countries reporting)
- Cambodia's 193,897 tonnes is above the median for East Asia & Pacific, which is 102,909 tonnes, 1.9× the median. (34 countries reporting)
Biggest year-on-year movements
Years where Emissions of air pollutants in Cambodia changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1995 | +99.4% | 44,396 tonnes | 88,531 tonnes |
| 1969 | +61.2% | 28,773 tonnes | 46,396 tonnes |
| 1980 | +58.4% | 10,755 tonnes | 17,034 tonnes |
| 1971 | -44.2% | 42,240 tonnes | 23,560 tonnes |
| 1955 | +28.6% | 11,058 tonnes | 14,216 tonnes |
| 1961 | +28.5% | 20,702 tonnes | 26,606 tonnes |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1750s | 374.55 tonnes | 371.23 tonnes | 377.87 tonnes | 10 |
| 1760s | 381.99 tonnes | 378.61 tonnes | 385.36 tonnes | 10 |
| 1770s | 389.55 tonnes | 386.11 tonnes | 392.99 tonnes | 10 |
| 1780s | 397.24 tonnes | 393.75 tonnes | 400.74 tonnes | 10 |
| 1790s | 405.06 tonnes | 401.51 tonnes | 408.61 tonnes | 10 |
| 1800s | 416.16 tonnes | 409.4 tonnes | 422.96 tonnes | 10 |
| 1810s | 431.43 tonnes | 424.48 tonnes | 438.41 tonnes | 10 |
| 1820s | 446.84 tonnes | 439.97 tonnes | 453.73 tonnes | 10 |
| 1830s | 463.29 tonnes | 455.27 tonnes | 471.35 tonnes | 10 |
| 1840s | 481.42 tonnes | 473.16 tonnes | 489.73 tonnes | 10 |
| 1850s | 504.03 tonnes | 491.59 tonnes | 516.63 tonnes | 10 |
| 1860s | 537.81 tonnes | 519.47 tonnes | 556.37 tonnes | 10 |
| 1870s | 590.78 tonnes | 564.44 tonnes | 617.73 tonnes | 10 |
| 1880s | 657.98 tonnes | 623.88 tonnes | 710.61 tonnes | 10 |
| 1890s | 825.4 tonnes | 730.69 tonnes | 922.83 tonnes | 10 |
| 1900s | 1,342 tonnes | 945.26 tonnes | 1,792 tonnes | 10 |
| 1910s | 2,431 tonnes | 1,903 tonnes | 2,974 tonnes | 10 |
| 1920s | 3,885 tonnes | 3,096 tonnes | 4,733 tonnes | 10 |
| 1930s | 5,049 tonnes | 4,759 tonnes | 5,743 tonnes | 10 |
| 1940s | 6,765 tonnes | 5,954 tonnes | 7,588 tonnes | 10 |
| 1950s | 13,200 tonnes | 7,862 tonnes | 19,521 tonnes | 10 |
| 1960s | 29,007 tonnes | 20,702 tonnes | 46,396 tonnes | 10 |
| 1970s | 18,655 tonnes | 10,755 tonnes | 42,240 tonnes | 10 |
| 1980s | 24,268 tonnes | 17,034 tonnes | 30,216 tonnes | 10 |
| 1990s | 66,671 tonnes | 36,958 tonnes | 97,322 tonnes | 10 |
| 2000s | 87,178 tonnes | 79,132 tonnes | 100,596 tonnes | 10 |
| 2010s | 131,286 tonnes | 99,546 tonnes | 187,087 tonnes | 10 |
| 2020s | 192,864 tonnes | 191,600 tonnes | 193,897 tonnes | 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 emissions of air pollutants in Cambodia?
- Emissions of air pollutants in Cambodia was 193,897 tonnes in 2022, according to Hoesly et al. (2024) – Community Emissions Data System (CEDS) – with major processing by Our World in Data.
- What is the highest emissions of air pollutants recorded in Cambodia?
- The highest recorded value was 193,897 tonnes in 2022.
- What is the lowest emissions of air pollutants recorded in Cambodia?
- The lowest recorded value was 371.23 tonnes in 1750.
- How does Cambodia rank for emissions of air pollutants?
- Cambodia ranks 69th out of 220 countries with data for 2022.
- Is emissions of air pollutants rising or falling in Cambodia?
- Over the last ten years it is up 78.3%. The long-run trend across the full record is volatile.
- Where does this Cambodia data come from?
- The figures come from Hoesly et al. (2024) – Community Emissions Data System (CEDS) – with major processing by Our World in Data, published as part of Emissions of air pollutants. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 273 observations, free to reuse under CC BY 4.0 (Our World in Data).
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.