Afternoon Briefing: CSO’s Muti era comes to a close

Chris Sweda/Chicago Tribune
Riley Boyle, 19, and Andrew Newcomer (right), 19, both of Kokomo, Indiana, wear face masks in an effort to protect themselves from polluted air due to wildfires in Canada during a game between the Chicago Cubs and the Philadelphia Phillies at Wrigley Field in Chicago on June 27, 2023.
John J. Kim / Chicago Tribune
The setting sun appears over West Monroe Street on the first evening of autumn on Sept. 22, 2022, in Chicago. The term "Chicagohenge" is used to describe the setting sun between buildings during the vernal and autumnal equinox.
Paul Daly/AP
Debris from the Titan submersible, recovered from the ocean floor near the wreck of the Titanic, is unloaded from the ship Horizon Arctic at the Canadian Coast Guard pier in St. John's, Newfoundland, June 28, 2023.
Brian Cassella/Chicago Tribune
President Joe Biden speaks on June 28, 2023, about his economic policies at the Old Post Office in Chicago.
Antonio Perez / Chicago Tribune
Traffic crawls along on the Kennedy Expressway, near Irving Park Road, as a three-year construction project begins on the Kennedy in Chicago on March 21, 2023.
Terrence Antonio James/Chicago Tribune
Riccardo Muti, center, prepares to conduct the Chicago Symphony Orchestra in his "Concert for Chicago" at Pritzker Pavilion in Millennium Park in Chicago on June 27, 2023.

PUBLISHED: June 28, 2023 at 2:59 p.m. | UPDATED: June 28, 2023 at 6:59 p.m.

Good afternoon, Chicago.

The city has entered its second day of “very unhealthy” air quality levels today because of smoke from Canadian wildfires that has settled over the city and surrounding areas. Experts recommend that people stay inside and keep windows closed and limit physical activity, especially outdoors.

And the Cubs were the latest team to deal with air quality issues Tuesday when the AQI in Chicago reached a level deemed “very unhealthy.” What criteria does MLB use to play games in unhealthy air? Here’s how the call was made.

Tribune photographers have captured moments around the city as thick smoke hung in the air. See comparisons between past summer days and use our tool to search air quality levels near you.

Here’s what else is happening today. And remember, for the latest breaking news in Chicago, visit chicagotribune.com/breaking and sign up to get our alerts on all your devices.

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Riley Boyle, 19, and Andrew Newcomer (right), 19, both of Kokomo, Indiana, wear face masks in an effort to protect themselves from polluted air due to wildfires in Canada during a game between the Chicago Cubs and the Philadelphia Phillies at Wrigley Field in Chicago on June 27, 2023.

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Debris from the Titan submersible, recovered from the ocean floor near the wreck of the Titanic, is unloaded from the ship Horizon Arctic at the Canadian Coast Guard pier in St. John's, Newfoundland, June 28, 2023. — Debris from the Titan submersible, recovered from the ocean floor near the wreck of the Titanic, is unloaded from the ship Horizon Arctic at the Canadian Coast Guard pier in St. John’s, Newfoundland, June 28, 2023.

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