A man standing at a viewing area of Jingshan Park takes photos of the Forbidden City as a thick haze engulfs Beijing, China, 09 December 2019. Photo: EPA-EFE
Chinese researchers develop mobile device to trace key source of air pollution
- VOCs are important precursors of ozone (O3) and PM2.5 matter – the most harmful small particles and a key indicator of air pollution
- This year has proved challenging for environmental protection after China’s economy was hit hard by the Covid-19 pandemic
A man standing at a viewing area of Jingshan Park takes photos of the Forbidden City as a thick haze engulfs Beijing, China, 09 December 2019. Photo: EPA-EFE
