The Santa Rosa Fire Department said it is assisting Sonoma County Fire District with a hazardous materials incident south of the City of Santa Rosa on Wednesday, January 28. Article continues below ADVERTISEMENTKRON4 News reported that Sonoma County officials said a hazmat team, as well as 45 county personnel, are at the scene. Article continues below ADVERTISEMENTThe origin of the odour is believed to be in a commercial area near a recycle facility. Article continues below ADVERTISEMENTMap of area affected by the "shelter in place" warningResidents were urged to remain indoors and keeps doors and windows shut. The City of Santa Rosa Fire Department said in a post on Facebook that there are currently no threats to the city.