The Promise of Beijing: Evaluating the Impact of the 2008 Olympic Games on Air Quality
Yuyu Chen, Ginger Jin, Naresh Kumar , and Guang Shi ,
( 66 )
Journal of Environmental Economics and Management

To prepare for the 2008 Olympic Games, China adopted a number of radical measures to improve air quality. Using the officially reported air pollution index (API) from 2000 to 2009, we show that these measures improved the API of Beijing during and a little after the Games, but a significant proportion of the effect faded away by October 2009. For comparison, we also analyze an objective and indirect measure of air quality at a high spatial resolution – aerosol optimal depth (AOD), derived using the data from NASA satellites.

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