NEW YORK —

Smoke from Canadian wildfires blanketed much of the United States in August, with the Midwest and Northeast facing the heaviest and most frequent exposure.

This month, the 2025 wildfire season became the second-worst season on record, according to the Canadian Interagency Forest Fire Centre (CIFFC). Since April, fires there have scorched more than 19 million acres and sent smoke hundreds of miles south.

Take a look at the day-by-day smoke movement through August to see how your state may have been affected.

July 27 - Aug. 2

Hearst Owned

Aug. 3 - Aug. 9

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Aug. 10 - Aug. 16

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Aug. 17 - Aug 23.

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As of Aug. 20, more than 611 fires remained active, with nearly two-thirds labeled as either “out of control” or “out of control an

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