The freeze in Chinese economic activity prompted by the lethal coronavirus outbreak has led to a steep improvement in the country’s notoriously toxic air quality.
Coal consumption is in the doldrums due to factory closures and traffic volumes have shrunk as consumers stay at home, causing a big drop in emissions of the most damaging pollutants.
Morgan Stanley found that some of the most dangerous pollutants were at levels 30 per cent below their normal seasonal levels in the aftermath of Chinese new year in Shanghai, Guangzhou and Chengdu, in the east, south and west of the country respectively,
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