Yufang Jia and Yiran He
December 5, 2025
This video is part of: Centre for Nature and Climate
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.
Yufang Jia and Yiran He
December 5, 2025