Following announcements from Beijing and Shaanxi on contingency plans for heavily polluted days, China Daily reporter D J Clark sets out to investigate what he can do to protect his family at home.

Related stories:

Healthy debate over Beijing's air quality

Air monitoring goes live

With thanks to Dr Richard Saint Cyr who blogs at http://myhealthbeijing.com and Dr Chris Buckley from the Torana Clean Air Center.

Video: D J Clark, Xu Jiye & Huan CAO

Producer: Flora Yue

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See more videos at: D J Clark's Video Column

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About D J Clark

D J Clark has worked worldwide as a multimedia journalist for more than 20 years. As well as working for China Daily he runs an MA course in Multimedia journalism at Beijing Foreign Studies University and is the Director of Visual Journalism at the Asia Center for Journalism in Manila, Philippines.