An orange haze has descended upon Niagara Falls as more than 830 wildfires burn in Canada, an image from @EarthCam shows. Some of the largest wildfires are burning in west-central Ontario, consuming thick forests and releasing an incredible amount of smoke. As the fires continue to burn in Canada, along with more than a dozen in northern Minnesota, wind is now directing that smoke into the U.S. – creating dangerous air quality for millions across the upper Midwest and Northeast through the end of the week. Complete coverage this evening on #WorldNewsTonight. Read more at the link in bio.