Sunday , October 17 2021

Beijing PM2.5 annual average concentration of six years decline over 40% of days of heavy pollution reduced by 43 days – China News

Annual average PM2.5 concentration in Beijing dropped by more than 40% in heavy pollution days, a total of 43 days has fallen –

(Reporter Yin Li) In the six-year period from 2013 to 2018, Beijing's average annual PM2.5 concentration dropped by 42.7%, excellent grade I days increased by 31 days, and heavy pollution days decreased by 43 days.

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