The shops claimed to sell THC products within legal limits, but the actual levels were significantly higher, according to the sheriff's office.
Texas fires have burned homes and caused evacuations while bringing smoke into the southeast portion of the state.
A Code Orange air quality alert is in effect for North Carolina all day Thursday because of smoke from western wildfires.
Firefighters responded to a large fire at Wall Recycling in Raleigh on Tuesday evening.
Wildfire smoke accounted for up to half of all health-damaging small particle air pollution in the western U.S. in recent years as warming temperatures fueled more destructive blazes, according to a study.
Firefighters responded to a report of smoke at a home owned by actor Denzel Washington in the Beverly Crest neighborhood of Los Angeles Wednesday night.