Former President Donald Trump has once again threatened tariffs against Canada, this time linking the issue to wildfire smoke impacting air quality in the United States. He reiterated his intention to impose these tariffs as retribution for the smoke drifting south from Canadian wildfires. The announcement revives Trump’s history of protectionist trade policies and strained relations with Canada. While no specific details were provided regarding the potential tariffs, the threat signals a possible escalation in trade tensions between the two countries. The move comes as numerous U.S. cities experienced hazardous air quality due to the wildfire smoke, prompting health advisories and concerns about public health. Experts suggest the tariff threats are largely symbolic and unlikely to be implemented, but they nevertheless underscore the ongoing volatility in US-Canada relations.