Only nine out of 161 major mainland cities surveyed by China’s environment ministry were found to have met national air quality standards in the first half this year, Southern Metropolis Daily reported Wednesday.
According to data released by the ministry on Tuesday, only Shenzhen, Zhuhai, Zhanjiang, Yunfu, Zhoushan, Baihai, Haikou, Sanya and Lhasa met the air quality standard, representing just 5.6 percent of the national total, it said. The first four are located in the southern Guangdong province.
The surveyed cities were mostly from major economic zones including the Beijing-Tianjin-Hebei region, Yangtze River Delta and Pearl River Delta. Monitoring results are based on six indicators, including PM10 and PM2.5.
Almost all the surveyed cities in the Beijing-Tianjin-Hebei region failed to meet air quality standards.
However, there was some improvement year on year in terms of frequency and degree of heavy pollution, following a move by the State Council to issue the Air Pollution Prevention and Control Action Plan in September last year, the report noted.
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