China's air quality has improved across the country, showed a report on the implementation1 of the Air Pollution Control Law on Monday. 《大气污染防治法》执行报告显示，全国范围内的空气质量已经提高。 The Air Pollution Control Law and the action plan on air pollution control have been well implemented2 across the country since the 18th Communist Party of China National Congress in 2012, said the report submitted for review at a session of the National People's Congress (NPC) Standing3 Committee, which runs from Monday to Tuesday. The implementation of the law and air pollution control has seen positive achievements, said the report. The NPC Standing Committee sent four teams to the country's eight provincial-level regions, including Henan, Inner Mongolia and Shanxi, to check the implementation of the Air Pollution Control Law from May to June. They also entrusted4 local legislatures in 23 other provincial-level areas with law enforcement inspection5. The average density6 of PM10 in 338 Chinese cities at prefecture level and above in 2017 decreased by 22.7 percent compared to 2013 levels, while the average density of PM2.5 in major areas including the Beijing-Tianjin-Hebei region, the Yangtze River Delta7 and the Pearl River Delta, fell 39.6 percent, 34.3 percent and 27.7 percent respectively, said the report. China cut steel production capacity by 170 million tonnes, coal by 800 million tonnes, and cement by 230 million tonnes over the past five years, the report noted8.