We knew Denver’s air quality was bad, but we didn’t know it was this bad. Whistleblowers within the Colorado Department of Public Health and Environment say the people in charge have been overriding requirements of the Clean Air Act and endangering the health of Coloradans. Bree speaks with Colorado Sun reporter Michael Booth about his reporting on the whistleblower complaint and what it means for the quality of the air we breathe. 
Want to monitor the air you breathe yourself? Here’s a list of recommendations for air quality apps. 
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