More than a dozen U.S. states were under air-quality alerts on Wednesday (June 7) as smoke from hundreds of Canadian wildfires wafted south, casting a dull gray pallor over city skylines and prompting officials to urge residents to remain indoors.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
