How do heat and poor air quality affect health in Rochester?

How do heat and poor air quality affect health in Rochester?

ROCHESTER — Every day, regional supervisors at the Minnesota Department of Transportation are monitoring the weather to ensure their outdoor crews stay safe. In the summer, one big consideration is heat. "The supervisors are looking ahead and going, 'Oh wow, these next three days it's going to get pretty hot,'" said Mike Dougherty, public engagement and communications director for MnDOT's southeast district. "They'll try to adjust what work need…