Strong winds mean people in Beijing can finally breathe a little easier. For days, much of the city has been covered in smog, twenty times higher than safe levels.
Pollution in some parts of the country with the world's largest population and second biggest economy is not just visible, but also tangible.
This has inspired a number of businesses to grow, as the government's lack of action frustrates many.
Al-Jazeera's Rob Mcbride has the latest from Beijing.