Progress in fighting smog 'most noticeable' in 2017

Weather center data show steady fall in air pollution since peak 5 years ago

China has seen continuous improvements in air quality since 2013, when pollution levels hit a record high, with another drop in "smoggy days" recorded last year, according to meteorological data.

Starting in 2000, the country began to experience a steady increase in pollution, reaching a peak in 2013 when it experienced 13 rounds of smog, data from the National Meteorological Center show.