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Percentage of days with good air quality in major Chinese cities 2013

Percentage of days with good air quality in major Chinese cities in 2013

Percentage of days with good air quality in major Chinese cities 2013 This statistic shows the percentage of days with an air quality level of equal to or above Grade II of the Chinese ambient air quality standard in large cities in China in 2013. According to this measurement, the city of Tianjin had seen good air quality during approximately 40 percent of the year.
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Percentage of days with good air quality in major Chinese cities in 2013

Proportion of days with good air quality
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This statistic shows the percentage of days with an air quality level of equal to or above Grade II of the Chinese ambient air quality standard in large cities in China in 2013. According to this measurement, the city of Tianjin had seen good air quality during approximately 40 percent of the year.
Show more
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