Human activity is a major cause of air pollution, especially in large cities. The main local sources of air pollution in Hong Kong are power plants, industry, motor vehicles and marine vehicles.

All air pollutants cause damage to living creatures and the environment. In 2019, air pollution is considered by the World Health Organization as the greatest environmental risk to human health.

Learn about the major air pollutants:


Nitrogen dioxide 二氧化氮污染物

空氣污染物:臭氧 Ozone - Air pollutant

二氧化硫 Sulphur dioxide air pollutant

Story posted on
20th Mar, 2020


  • Do you support the measure working from home to reduce vehicle emission? 你贊成推行在家工作政策,減少車輛排放嗎?

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