Utah’s winter air inversion affects kids differently than it does adults, especially kids with breathing problems like asthma. So on a day with heavy inversion, is it safe for your child to be playing outside? Dr. Cindy Gellner tells you what inversions are and why children are more at risk during periods of bad air. She also discusses how to decide whether the air quality is good enough for your child to be out during recess at school and what to do if it’s not.