We analyzed the air quality data in some major cities in China in 2018, and found out that China’s recent “war on air pollution” is having stronger effects on northern China than southern China. The switch from coal heating to natural gas naturally benefits the North (colder) more than the South.
While most southern Chinese cities saw air quality improve by less than 10%, cities in China’s northeast improved by much more. Shenyang’s air quality improved by 19% in 2018.
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