Ozone adds to dangers of pollutants
By Wu Wencong in Beijing and Zheng Jinran in Shijiazhuang | China Daily | Updated: 2013-08-01 07:42
Air quality report from ministry paints worrying picture for cities
Ozone has become a major air pollutant in addition to fine particles, posing an even higher risk, according to a report released on Wednesday.
The air quality report from the Ministry of Environmental Protection covers three key areas and 74 cities during the first half of 2013.
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