00:00Smoke from Canada's wildfires is headed for the Midwest and Northeast again.
00:05High altitude winds carry it south over a few days, and once it settles low enough,
00:10it dims the sun and gives the sky that dull orange cast people have gotten used to seeing in recent
00:15summers.
00:15Same story as before.
00:18The fires burn hundreds of miles away, but the air quality problem shows up here.
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