CHARLOTTE, NC (WBTV)- An Air Quality Alert is in effect for Mecklenburg County during the day Thursday as a hot and humid air mass stalls across the region. The Alert is in effect for Lincoln, Gastonia, Mecklenburg, Iredell, Rowan, Cabarrus and Union counties until 9 p.m., according to the National Weather Service in Greenville-Spartanburg/ The air quality is forecast to be Code Orange which...