As a result, a series of events in the Philadelphia area and beyond were rescheduled, postponed, or canceled on Wednesday.
Major League Baseball officials announced that the Wednesday night series finale game between the Philadelphia Phillies and Detroit Tigers was postponed.
The game was originally scheduled to begin at 6:05 p.m. at Citizens Bank Park. When the gates were set to open at 4:30 p.m., officials called off the game for fans' safety.
The game was rescheduled to Thursday, June 8, at the same time.
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It is unclear if the game will be rescheduled again on Thursday if the conditions persist.
Schools in the area were also impacted by poor air quality. The School District of Philadelphia advised officials students and staff to remain indoors and limit time outside, including field trips and outdoor athletic events.
In the surrounding suburbs and in New Jersey, several schools dismissed early on Wednesday.
Outdoor activities such as field trips and field days were canceled, or officials moved those activities indoors for the day.
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In South Jersey, Haddonfield's Little League cancelled games out of precaution.
The music venue at McLaughlin Norcross Memorial Dell in Camden County was also closed Wednesday night. The concert that was canceled was rescheduled to take place on Wednesday, June 14, officials say.
The smoky conditions will continue on Thursday.
Eastern State Penitentiary will be closed Thursday due to poor air quality.
Officials said both daytime tours and Night Tours: Summer Twilight will be closed, but are expected to reopen on Friday.
6abc Air Quality Tracker