A stretch of hot, dry weather is expected to build through the end of the week. CHICAGO - Not only has wildfire smoke been a respiratory irritant for the past several days, it has also held ...

In the coming days, the smoke will spread across the Atlantic and toward Europe. A high-pressure system will settle near the East Coast this week, which would normally bring generally clear and ...

The "unhealthy" air, which ranks as level four of six on the Air Quality Index, comes after multiple consecutive days of air quality alerts.

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

The festival kicked off Thursday, when Chicago had the worst air quality in the world for a few hours. But haze didn't choke ...

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

The heat returns Wednesday with highs in the upper 80s to near 90 degrees. Skies are expected to be mostly sunny to partly ...

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Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

Some of the worst air quality will be right along Lake Michigan, as the majority of the Chicago metro area will be under that ...

When wildfires burn, the smoke can travel long distances and degrade air quality far away, which presents risks for those ...

Chicago experiences poor air quality for a fourth day, with temperatures around 80 degrees and minimal rain chances.