US President Donald Trump said on Sunday he had spoken to Canadian Prime Minister Mark Carney about wildfire smoke in the United States, urging him to take stronger action to stop the fires and warning that tariffs could follow if the problem persists.Speaking to reporters, Trump said, “I told them. I mean, you have to stop these fires from coming and you know our air is getting poisoned. Our air is getting poisoned.”He said, “Good relationship with Mark Carney, but you know we’ve got to hold the fire down there. If we can help them, we’ll help them. But maybe they should give us some reparations or something, or we should impose some tariffs.”Trump’s comments come days after he threatened to impose additional tariffs on Canada, accusing Ottawa of failing to manage its forests and allowing wildfire smoke to spread into parts of the United States, creating what he described as “dirty, polluted and unhealthy air.”In a post on Truth Social on Friday, Trump said that Canada is responsible for the deteriorating air quality in many American cities.“We are holding Canada accountable for the fact that they are not maintaining their forests properly, and not reforesting them, and the United States is being unnecessarily exposed to dirty, polluted and unhealthy air, the quality of which is dangerous, and completely unacceptable!” He has written.He further accused Canada of “willful negligence” in forest management and debris removal, claiming smoke from recurring wildfires has caused billions of dollars in damage to the United States. “The cost of this pollution must be added to the tariffs Canada is paying,” Trump said.His comments come as smoke from hundreds of active wildfires in Canada spread across the border, prompting air quality alerts in several US states. The Canadian Interagency Forest Fire Center said Friday there were 888 wildfires burning across the country, most of which were classified as out of control.More than 190 of these fires occurred in Ontario. Wildfire smoke has affected air quality in parts of the United States, including Minnesota, Michigan, Pennsylvania, Ohio, and New York. According to IQAir, Detroit recorded the world’s worst air quality on Friday, followed by Chicago, Washington DC and New York.Earlier, Prime Minister Mark Carney said both Canada and the United States share responsibility for tackling climate change, while Ontario Premier Doug Ford urged Washington to provide additional firefighting assistance rather than criticizing Canada’s response.