Thanks Canada... Archive: https://archive.today/SYyYv From the post: >>On a normal summer day, you can see the mountains to the west for miles. The past few days, however, Denver’s skies have been hazy and smoky. In fact, the air quality was actually rated the worst in the entire U.S. on Tuesday. The Colorado Department of Public Health and Environment and the Regional Air Quality Council issued an ozone action day alert due to the elevated levels of particle pollution and ozone coming from wildfire smoke in Canada and out west.