Blue skies were an unexpected upside of locking down cities and halting industrial production across China. Photo: AFP

Covid-19 lockdowns brought blue skies back to China, but don’t expect them to last

  • Between January 20 and April 4, PM2.5 levels across the country fell by more than 18 per cent, according to the environment ministry
  • But observers say that as soon as the nation’s factories and roads get back to normal, so too will the air pollution levels
Topic |   Coronavirus pandemic
Blue skies were an unexpected upside of locking down cities and halting industrial production across China. Photo: AFP
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