Every day since July 5, Colorado health officials have issued an “action day” alert, warning residents about poor air quality across the Front Range. So what are we supposed to do about that? Not go outside during the summer anymore? Not breathe? Move? City Cast Denver host Bree Davies had questions, so we invited Dr. Anthony Gerber on the show for answers. He is professor of medicine and director of pulmonary research at National Jewish Health, as well as the chair of the Colorado Air Quality Control Commission. Dr. Gerber breaks down what exactly is so bad about our air, what we as individuals can do about it, and what we should be worried about.

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