Canada wildfires forced the postponement of a Chicago Fire MLS match and pushed the Phillies-Mets game up an hour amid unhealthy air Thursday.
https://www.foxnews.com/sports/air-quality-concerns-canadian-wildfires-force-rescheduling-two-professional-sports-games
https://www.foxnews.com/sports/air-quality-concerns-canadian-wildfires-force-rescheduling-two-professional-sports-games