<p>Today (the 7th) is &#34;International Clean Air Blue Sky Day,&#34; and this year's theme is &#34;Running for Air.&#34; Recently, the &#34;International Clean Air Blue Sky Day&#34; themed event organized by the United Nations Environment Programme (UNEP) office in China was held in Beijing. Experts pointed out that over the past decade, China's gross domestic product (GDP) has increased by 69%, while PM2.5 concentration has decreased by 57%, and the number of heavy pollution days has reduced by 92%</p>

<p>Today (the 7th) is "International Clean Air Blue Sky Day," and this year's theme is "Running for Air." Recently, the theme event for "International Clean Air Blue Sky Day," hosted by the United Nations Environment Programme's China Office, was held in Beijing. Experts pointed out that over the past decade, China's gross domestic product has increased by 69%, while PM2.5 concentration has decreased by 57%, and the number of heavy pollution days has reduced by 92%</p>

China's achievements in air pollution control are remarkable, with PM2.5 concentration expected to drop to single digits by 2060