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Smoke from Canadian wildfires brings unhealthy air to large swaths of the Midwest

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at ...

Air quality maps show how Canadian wildfire smoke is affecting Midwest, Northeast

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

Canadian wildfires are impacting air quality in US: See map

The smoke floating over the border shared between America and Canada is now impacting air quality in states as far south as Texas, AirNow's data shows. The EPA has declared the air quality in states ...

How Canadian wildfire smoke is impacting parts of the U.S.

Wildfire smoke from Canada is impacting millions of people across parts of the northern United States. Over the weekend, it ...