For the past nine months, Beijing residents have experienced a rare treat — sparkling blue skies, clouds with clear edges and bright sunsets.
Clear weather does not normally make for news but it does in the Chinese capital, which over the past two decades has been notorious for pollution. Beijing’s off-the-chart pollution days even inspired new words, such as “smogocalypse”, words that now appear to be a thing of the past.
Or are they? The Financial Times has collated Nasa satellite data showing concentrations of nitrogen dioxide — a common air pollutant — over China from January 2005 to May 2018.
您已閱讀14%（602字），剩餘86%（3742字）包含更多重要資訊，訂閱以繼續探索完整內容，並享受更多專屬服務。