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 ...

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 ...

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

Hazy skies from wildfire smoke from Canada, which may become more concentrated with visibility potentially dropping to 3-5 ...

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The National Weather Service has opted to extend an air quality alert in the Chicago area for another day.

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.