In California, a rush to get some breathing room : Alarmed by the dense smoke from wildfires, consumers are snapping up home air purifiers and masks.
When the Camp fire began to rage in Paradise, Calif., in November, the owners of the family-run Collier Hardware store in nearby Chico faced a situation unlike any they'd seen.
A business that might welcome 200 customers on an average day, Collier was suddenly dealing with five times that number -- "and they all wanted the same thing," co-owner Steve Lucena said.
Alarmed by dense smoke, shoppers were snapping up portable air purifiers and breathing masks in staggering numbers. Collie...