The COVID-19 shutdown took most people off the road for a couple of months. That did allow for some air quality improvement in Southeast Michigan. However, it wasn't enough to offset the generations of pollution that have resulted in terrible health conditions and outcomes. For this week's "Issues of the Environment," WEMU's David Fair has a conversation about this situation with Mary Ann Dolehanty, the director of Michigan Department of Environment, Great Lakes and Energy's Air Quality Division