Why Your Sun Looks Red: Wildfire Smoke Science You Can See
Why wildfire smoke turns the sun red at midday—and what that tells you about air quality, fire season trends, and your health. Science you can see.
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The Brown Cloud: Why July 2026’s Wildfire Smoke Was Different
The smoky skies across North America in July 2026 weren’t just an air quality event. Brown carbon, a complex pollutant from wildfires, changed the rules—and the risks.
Ontario Wildfire Smoke Chokes Eastern North America
Wildfire smoke from massive Ontario fires is sweeping east, choking cities from Toronto to New York. Air quality plummets as a 2,500 km plume brings dangerous PM2.5 levels.