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In this Saturday, Nov. 28, 2015, file photo, people wearing face masks walk across Tiananmen Square on a day with poor air quality in Beijing. Air pollution in Beijing reached hazardous levels on Saturday as smog engulfed large parts of the country despite efforts to clean up the foul air.
In this Saturday, Nov. 28, 2015, file photo, people wearing face masks walk across Tiananmen Square on a day with poor air quality in Beijing. Air pollution in Beijing reached hazardous levels on Saturday as smog engulfed large parts of the country despite efforts to clean up the foul air.

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Was Beijing's smog 'red alert' a response to criticism?

Matt Rivers joins CNN Today to speak about Beijing's decision to issue a red alert due to poor air quality.

Was Beijing's smog 'red alert' a response to criticism?

Matt Rivers joins CNN Today to speak about Beijing's decision to issue a red alert due to poor air quality.