A dust storm severely limited visibility in Beijing.
Strong winds combined with dust and the city's heavy pollution to create the cloud over the city.
The air quality index was 800 in some spots. That's 650 points above levels viewed as unhealthy.
A dust storm severely limited visibility in Beijing.
Posted at 7:02 AM, May 04, 2017
and last updated 2017-05-04 10:02:47-04
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