In 10 years, Beijing has drastically cut air pollution. Here's how

· Watch 03:39
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Since 2013, PM2.5 pollution has fallen by a massive 64% in the Chinese capital. Harmful nitrogen dioxide has fallen by 54% while sulphur dioxide has dropped by 89%. Beijing has increased the number of ‘good air days’ from just 13 in 2013 to more than 300 in 2023.