U.S. President Donald Trump expressed strong displeasure over smoke from Canadian forest fires reaching the United States. He said that Canada's poor forest management has worsened the country's air quality, and indicated that the cost of pollution will be added to the tariffs being imposed on Canada. On the 17th (local time), President Trump posted on TruthSocial, "Canada has not properly managed its forests and bushes," and "As a result, the United States is experiencing an influx of air that is unnecessarily dirty and polluted and harmful to health." “This type of air quality is at a dangerous level and is completely unacceptable,” he said. “I plan to speak with the Prime Minister of Canada later today to ask him how to solve this problem.” Recently, about 800 forest fires occurred across Canada. According to the Washington Post (WP) on this day, as forest fire smoke from Canada flowed into the United States, Detroit, Chicago, and Washington D.C. ranked high on the list of the world's most polluted cities. WP said, “The National Assembly building was shrouded in gray smoke and the city