Wildfire Smoke Affects 100 Million Americans

Why it matters locally: Oregon, a state directly impacted by wildfire smoke in recent years, is highly attuned to air quality issues. While these specific Canadian wildfires are not currently directly impacting Oregon's air quality, the broader issue of wildfire smoke and its health implications remains a significant concern for the state's residents and public health agencies.

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Smoke from Canadian wildfires now impacts approximately 100 million Americans. This smoke has expanded its reach, affecting additional cities across the United States. Tom Costello, an NBC News correspondent, provided the latest information regarding the smoke's movement and its impact on these new U.S. locations.