Canadian wildfires are impacting air quality in the U.S.

By Hosts

Published August 7, 2025 at 4:05 AM EDT

Canada is having its second worst wildfire season yet. Two scientists explain what a red air alert means and how anyone living in impacted areas can protect themselves.

Environment

Hosts

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Canadian wildfires are impacting air quality in the U.S.

Support quality journalism, like the story above, with your gift right now.

Support quality journalism, like the story above,
with your gift right now.