Pollution makes some ponder emigration

Face mask and air purifier sales soar as people see no end to blight

Editor's Note: With foggy and hazy weather spreading across the whole country - more severely in the winter - Chinese residents have been buying a variety of products to fight the prevailing high levels of pollution. Affected by the smoggy weather, the purchase of goods that can protect people from it has grown rapidly.

Precaution is always better than cure.