Hong Kong vs Macao: emissions of air pollutants, per square kilometre
Hong Kong
113.54 tonnes per square kilometre
in 2022
Macao
140.4 tonnes per square kilometre
in 2022
Hong Kong rank
8th
Macao rank
7th
emissions of air pollutants, per square kilometre over time
- Hong Kong
- Macao
How they compare
Macao currently reports 140.4 tonnes per square kilometre against 113.54 tonnes per square kilometre in Hong Kong, a difference of 26.86 tonnes per square kilometre.
That makes Macao's figure about 1.2 times Hong Kong's.
Across all 62 years both countries report, Macao has been ahead every year.
Hong Kong ranks 8th and Macao ranks 7th of 207 countries.
Macao has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Hong Kong | Macao | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 26.4 tonnes per square kilometre | 178.3 tonnes per square kilometre | 151.9 tonnes per square kilometre | Macao |
| 1970s | 30.56 tonnes per square kilometre | 188.39 tonnes per square kilometre | 157.83 tonnes per square kilometre | Macao |
| 1980s | 59.7 tonnes per square kilometre | 367.66 tonnes per square kilometre | 307.96 tonnes per square kilometre | Macao |
| 1990s | 92.02 tonnes per square kilometre | 526.32 tonnes per square kilometre | 434.3 tonnes per square kilometre | Macao |
| 2000s | 132.07 tonnes per square kilometre | 419.72 tonnes per square kilometre | 287.65 tonnes per square kilometre | Macao |
| 2010s | 122.61 tonnes per square kilometre | 250.71 tonnes per square kilometre | 128.1 tonnes per square kilometre | Macao |
| 2020s | 119.26 tonnes per square kilometre | 145.97 tonnes per square kilometre | 26.71 tonnes per square kilometre | Macao |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher emissions of air pollutants, per square kilometre, Hong Kong or Macao?
- Macao, at 140.4 tonnes per square kilometre against 113.54 tonnes per square kilometre in Hong Kong as of 2022.
- What is the difference in emissions of air pollutants, per square kilometre between Hong Kong and Macao?
- 26.86 tonnes per square kilometre, with Macao ahead.
- How many years of comparable data are there for Hong Kong and Macao?
- 62 years are reported by both, from 1961 to 2022.
- How do Hong Kong and Macao rank globally for emissions of air pollutants, per square kilometre?
- Hong Kong ranks 8th and Macao ranks 7th of 207 countries.
- Where does this data come from?
- Statizoid (derived), published as emissions of air pollutants, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
emissions of air pollutants divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.