China's water quality improves in first five months
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E-mail Xinhua, June 27, 2021
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China's water quality improved in the first five months of the year, according to data released by China's Ministry of Ecology and Environment.
The data shows that 81.8% of surface water was graded Class I to III (good quality) in the January-May period, up 1 percentage point from the same period last year, while the figure for Class V water fell 0.7 percentage points year on year to 2.1%.
Surface water quality in China is divided into five classes, with Class I being the best.
For major rivers, including the Yangtze River and the Yellow River, 83.5% of the water quality was graded Class I to III in the first five months, up 1.2 percentage points year on year, and 2% was graded Class V, down 0.8 percentage points year on year.
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