A woman covers her face with a scarf while visiting the Temple of Heaven Park in Beijing. Photo: Xinhua

Worst smog of the year leaves Beijing choking as US embassy’s air quality reading hits 545

Air quality index readings hit hazardous levels on Thursday, although strong winds and a cold front are expected to disperse the smog on Friday

A woman covers her face with a scarf while visiting the Temple of Heaven Park in Beijing. Photo: Xinhua
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