Canadian wildfire smoke triggered an air quality alert in New York City ahead of the World Cup final, but Columbia University's Dan Westervelt says rain should clear conditions, with no major disruptions expected to the weekend's events https://t.co/JL12c87yGypic.twitter.com/ssbsScdQ24
Air quality alerts were in effect from Minnesota to Massachusetts Thursday as smoke from hundreds of Canadian wildfires turned skies orange and gray across the Great Lakes and US Northeast https://t.co/W97Ey1s3Lopic.twitter.com/3JzWMVOS4C