On Sunday at 10:58 a.m. EDT the National Weather Service reported an air quality alert in effect until Tuesday at midnight ...

On Sunday at 11:01 a.m. EDT the National Weather Service reported an air quality alert in effect until Monday at 11:45 p.m.

On Sunday at 9:43 a.m. an air quality alert was reported by the National Weather Service in effect until 9:45 p.m. for Oneida ...

At 3:46 p.m. on Saturday, the National Weather Service reported an air quality alert in effect until Monday at midnight for ...

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

The Chicago area has experienced several days of pleasant temperatures, but the mercury will be trending upward again in ...

Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.

According to a ranking by IQ Air, a Swiss air-technology company, Chicago had the worst air quality in the world for a few ...

Canadian wildfire smoke made the air quality "unhealthy" in northern Maine and "unhealthy for sensitive groups" in western ...

Air quality alerts had been issued for nine states as of Sunday morning, with residents in some areas advised to combine errands in order to help reduce pollution levels.

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada. People are advised to limit outdoor exposure.

Today will be warmer and very hazy/smoky. Plenty of sunshine is expected. Sunshine, warmer temps, and wildfire smoke will ...