Two Western cities registered the poorest air quality in the world over the last week as smoke from wildfires in northern California turned the skies over the Rocky Mountains into a chalky white abyss.
Two Western cities registered the poorest air quality in the world over the last week as smoke from wildfires in northern California turned the skies over the Rocky Mountains into a chalky white abyss.
Worst-In-World Air Quality Takes Page From Grim Climate Report knpr.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from knpr.org Daily Mail and Mail on Sunday newspapers.