Azerbaijan vs Hong Kong: emissions of air pollutants

Azerbaijan
129,062 tonnes
in 2022
Hong Kong
119,214 tonnes
in 2022
Azerbaijan rank
138th
Hong Kong rank
140th

emissions of air pollutants over time

  • Azerbaijan
  • Hong Kong
0100.0k200.0k300.0k400.0k175018862022

How they compare

Azerbaijan currently reports 129,062 tonnes against 119,214 tonnes in Hong Kong, a difference of 9,848 tonnes.

That makes Azerbaijan's figure about 1.1 times Hong Kong's.

The two have swapped places 6 times across 273 shared years of data; in 1750 it was Azerbaijan ahead.

Azerbaijan ranks 138th and Hong Kong ranks 140th of 220 countries.

Across the 28 decades both report, Azerbaijan averaged higher in 27 and Hong Kong in 1.

Head to head by decade

Decade Azerbaijan Hong Kong Difference Ahead
1750s 39,438 tonnes 384.78 tonnes 39,053 tonnes Azerbaijan
1760s 40,898 tonnes 400.81 tonnes 40,497 tonnes Azerbaijan
1770s 42,405 tonnes 417.51 tonnes 41,987 tonnes Azerbaijan
1780s 43,913 tonnes 434.9 tonnes 43,478 tonnes Azerbaijan
1790s 45,406 tonnes 453.03 tonnes 44,953 tonnes Azerbaijan
1800s 46,914 tonnes 471.9 tonnes 46,442 tonnes Azerbaijan
1810s 47,905 tonnes 491.56 tonnes 47,414 tonnes Azerbaijan
1820s 48,231 tonnes 547.86 tonnes 47,683 tonnes Azerbaijan
1830s 48,486 tonnes 659.69 tonnes 47,826 tonnes Azerbaijan
1840s 48,650 tonnes 774.04 tonnes 47,876 tonnes Azerbaijan
1850s 51,282 tonnes 1,359 tonnes 49,922 tonnes Azerbaijan
1860s 72,209 tonnes 2,628 tonnes 69,580 tonnes Azerbaijan
1870s 97,376 tonnes 3,539 tonnes 93,837 tonnes Azerbaijan
1880s 127,387 tonnes 4,724 tonnes 122,664 tonnes Azerbaijan
1890s 162,574 tonnes 6,314 tonnes 156,261 tonnes Azerbaijan
1900s 181,061 tonnes 8,344 tonnes 172,717 tonnes Azerbaijan
1910s 226,461 tonnes 10,057 tonnes 216,404 tonnes Azerbaijan
1920s 232,851 tonnes 7,750 tonnes 225,101 tonnes Azerbaijan
1930s 306,294 tonnes 3,647 tonnes 302,647 tonnes Azerbaijan
1940s 337,705 tonnes 3,027 tonnes 334,678 tonnes Azerbaijan
1950s 266,398 tonnes 21,521 tonnes 244,877 tonnes Azerbaijan
1960s 123,259 tonnes 26,718 tonnes 96,542 tonnes Azerbaijan
1970s 155,348 tonnes 30,888 tonnes 124,460 tonnes Azerbaijan
1980s 194,154 tonnes 59,209 tonnes 134,945 tonnes Azerbaijan
1990s 122,499 tonnes 94,212 tonnes 28,287 tonnes Azerbaijan
2000s 97,854 tonnes 138,670 tonnes 40,817 tonnes Hong Kong
2010s 137,456 tonnes 128,742 tonnes 8,714 tonnes Azerbaijan
2020s 126,351 tonnes 125,223 tonnes 1,128 tonnes Azerbaijan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher emissions of air pollutants, Azerbaijan or Hong Kong?
Azerbaijan, at 129,062 tonnes against 119,214 tonnes in Hong Kong as of 2022.
What is the difference in emissions of air pollutants between Azerbaijan and Hong Kong?
9,848 tonnes, with Azerbaijan ahead.
How many years of comparable data are there for Azerbaijan and Hong Kong?
273 years are reported by both, from 1750 to 2022.
How do Azerbaijan and Hong Kong rank globally for emissions of air pollutants?
Azerbaijan ranks 138th and Hong Kong ranks 140th 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.

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Azerbaijan vs Hong Kong: emissions of air pollutants. Statizoid, drawing on Hoesly et al. (2024) – Community Emissions Data System (CEDS) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://climate.statizoid.com/compare/change-air-pollutant-emissions/azerbaijan/hong-kong-sar-china/

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About this data

Indicator
emissions of air pollutants
Unit
tonnes
Source
Hoesly et al. (2024) – Community Emissions Data System (CEDS) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
220 places, 60,060 data points, 1750–2022
Last refreshed

Carbon monoxide (CO) is a pollutant produced from the incomplete combustion of carbon-based fuels such as oil, gas, wood, and coal. CO is a harmful gas that contributes to both outdoor and indoor air pollution.