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Wildfire smoke will linger and spread this weekend. See which cities are most affected.
18 July 2026 at 01:25
The smoke pouring into the U.S. made Detroit, Chicago and D.C. among the world's most polluted major cities as of early Friday.
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Trump wants to impose tariffs on Canada in retaliation for wildfire smoke
18 July 2026 at 01:23
The White House did not respond to questions about what legal mechanism he would use to impose the tariffs or how the administration would calculate the rate of the levies.
