Participants wearing masks during a hazy day at the Beijing International Marathon in front of Tiananmen Square, in Beijing, October 19, 2014. (Photo by Reuters/Stringer)

A woman smokes a cigarette next to man wearing a mask during lunch hour at the central business district in Singapore September 29, 2015. The 3-hour haze Pollutant Standards Index (PSI) reached a high of 173 at 8am on Tuesday, according to the National Environment Agency. Slash-and-burn agriculture in neighboring Indonesia has blanketed Singapore in a choking haze for weeks. (Photo by Edgar Su/Reuters)

This photo taken on March 10, 2023 shows a panda playing with one of its twin cubs at the Sibao Science Park in Xian in China's northern Shaanxi province. (Photo by AFP Photo/China Stringer Network)

Early morning paddle boarder enjoys late days of summer on Trent Severn Waterway in Rosedale, Ont., Thursday, September 3, 2020. (Photo by Canadian Press/Rex Features/Shutterstock)

A person looks out at Midtown Manhattan in the haze from the Top of the Rock NYC Observation Deck at Rockefeller Center on June 7, 2023. Smoke from Canada’s wildfires has engulfed the Northeast and Mid-Atlantic regions of the US, raising concerns over the harms of persistent poor air quality. (Photo by Timothy A. Clary/AFP Photo)

A morning fog is seen in the Siberian city of Omsk, Russia on October 8, 2019. (Photo by Alexey Malgavko/Reuters)

Norwegian actress Renate Reinsve attends the “Armand” Photocall at the 77th annual Cannes Film Festival at Palais des Festivals on May 18, 2024 in Cannes, France. (Photo by Lionel Hahn/Getty Images)

Sunrise at Rockford Common in the New Forest, UK where the heather is in bloom on July 28, 2024. (Photo by Steve Hogan/Picture Exclusive)