BEIJING: China will roll out new guidelines to prevent and control ozone pollution amid rising levels of the pollutant across the country, a government official said.
While the country has seen a steady drop over the past few years in the average concentration of PM2.5 – tiny particles that can damage the lungs – the concentration of harmful ozone gas has been rising steadily since 2015, said Zhao Yingmin, vice-minister of ecology and environment.
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