Canadian wildfires and smoke to US, causing poor air quality

Wildfire smoke from Canada creates hazardous air quality in Great Lakes and central/eastern United States.

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Chicago, Detroit, and Milwaukee experience "very unhealthy" air quality levels.

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Minnesota sets record with 23rd air quality alert; smoky skies obscure skylines in Minneapolis and St. Paul.

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Day care centers in Chicago keep children indoors; youth sports club adjusts activities due to poor air quality.

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Flight for Life Wisconsin unable to respond to crash due to reduced visibility caused by haze.

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Fires in northern Quebec and low pressure over Great Lakes contribute to smoke spreading across the region.

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Health officials advise limiting outdoor activities and taking precautions against the harmful effects of wildfire smoke.

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