FILE -Signage for the Provo Canyon School in Springville, Utah, is pictured June 15, 2026. (AP Photo/Hannah Schoenbaum, File)

A Taco Bell fast food restaurant is shown Tuesday, July 14, 2026, in Taylor, Mich. (AP Photo/Paul Sancya)

A plane lands at Billy Bishop Toronto City Airport as wildfire smoke fills Toronto, on Wednesday, July 15, 2026. (Laura Proctor/The Canadian Press via AP)

A person wearing a mask walks on a pier as smoke from wildfires blankets the sky, Thursday, July 16, 2026, in the Brooklyn borough of New York. (AP Photo/Yuki Iwamura)

A child looks out from the observation deck of the CN Tower as smoke from wildfires in Northwestern Ontario blankets the city of Toronto, Thursday, July 16, 2026. (Cole Burston/The Canadian Press via AP)

A person wearing a mask walks in Times Square as smoke from wildfires blankets the sky, Thursday, July 16, 2026, in New York. (AP Photo/Yuki Iwamura)

An employee wears her prescription eyeglasses while working at a garment factory in Gazipur, on the outskirts of Dhaka, Bangladesh, June 30, 2026. (AP Photo/Rajib Dhar)

An eye care professional from VisionSpring examines a worker at a garment factory in Gazipur, on the outskirts of Dhaka, Bangladesh, June 30, 2026. (AP Photo/Rajib Dhar)