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Wildfire smoke covered the Chicago area Thursday, leading to unhealthy air quality and a wave of haze, but where did it come ...
Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...
Air quality sensors across northern Illinois have fallen 150, meaning air quality is now “unhealthy”. People with heart or ...
As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...