- Denver ranks No. 1 in list of international cities for air pollution Saturday The Denver Post
- Utah air quality among worst in world as cold front brings smoke from Western fires KSL.com
- Unhealthy Smoke Will Cover Colorado CBS Denver
- Denver's worst air quality so far this summer could be on Saturday 9News.com KUSA
- Air quality remains poor as West Coast smoke continues to linger over much of Utah Salt Lake Tribune
- View Full Coverage on Google News
Saturday, August 7, 2021
Denver ranks No. 1 in list of international cities for air pollution Saturday - The Denver Post
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