Where Does Hong Kong’s Pollution Comes From?

Wind direction and speed marginally affect air pollution in Hong Kong. When wind blows from Mainland China, PM2.5 levels in Hong Kong increases 10 – 20%. However, the main sources of air pollution still come from within the city. Hong Kong should take measures to reduce their own sources of air pollution.

Click here to read the original article: https://smartairfilters.com/en/blog/so-you-thought-hong-kongs-pollution-comes-from-mainland-china/

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