Major League Baseball plans to discuss whether to postpone games in New York and Philadelphia on Wednesday night because of poor air quality caused by smoke from Canadian wildfires.
The New York Yankees are scheduled to host the Chicago White Sox, and the Philadelphia Phillies are slated to host Detroit.
MLB said it planned to speak with the teams involved at about 4 p.m.
The National Weather Service issued an air quality alert for New York City, saying: "the New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects." In Philadelphia, the NWS issued a Code Red.
The Yankees and White Sox played through a lesser haze on Tuesday night.
The National Women's Soccer League postponed Orlando's match at Gotham in Harrison, New Jersey, from Wednesday night to Aug. 9.
“The match could not be safely conducted based on the projected air quality index,” the NWSL said.
The smoke pouring into the U.S. East Coast and Midwest on Wednesday came from more than 400 blazes in Canada. It has raised alarms from health authorities about poor air quality.
A two-game series in Seattle between the Mariners and the Giants was moved to San Francisco in September 2020 because of because of poor air quality caused by West Coast wildfires.
New York's NFL teams, the Giants and Jets, both had Wednesday off from offseason workouts. The Giants had been planning to practice inside Thursday, and the Jets say they are also likely to work out indoors Thursday.