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
and last updated
Copyright 2017 Scripps Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.
