This will be something to monitor throughout the day, as air quality issues in Chicago are reaching significant and concerning levels. The Cubs are supposed to host the Phillies at Wrigley Field tonight at 7:05 pm CT.
We saw previously, when air quality became visually apocalyptic in New York earlier this summer, the league stepped in to postpone a Yankees-White Sox game.
The air quality issues stem primarily from the long-raging wildfires in Canada:
As of now, the game is still on: