Hong Kong Says Pearl River Air Pollutants Drop on Controls
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Air pollutants in the Pearl River Delta region, home to China’s manufacturing hub, were cut last year on emission control measures and favorable weather conditions, according to a government report.
The annual concentration levels of sulphur dioxide, nitrogen dioxide, ozone and suspended particulates fell from 5 percent to 25 percent in 2012 from the year before, according to a report by the environment departments from Hong Kong and China’s Guangdong province.