Air qual­ity in 338 cities bet­ter in Septem­ber

China Daily European Weekly - - News Digest -

Air qual­ity in 338 Chi­nese cities im­proved year-on-year in Septem­ber, ac­cord­ing to the Min­istry of Ecol­ogy and En­vi­ron­ment. The av­er­age den­sity of PM2.5 — tiny par­ti­cles that are es­pe­cially harm­ful to health — stood at 25 mi­cro­grams per cu­bic me­ter, down 16.7 per­cent from the same pe­riod last year. A to­tal of 338 cities re­ported good air qual­ity on 90.8 per­cent of days last month.

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