On Saturday at 3:36 a.m. EDT the National Weather Service reported an air quality alert in effect until Sunday at 12:15 a.m.

On Saturday at 5:50 a.m. the National Weather Service reported an air quality alert in effect until Sunday at 6 a.m. The ...

On Friday at 9:41 p.m. EDT an air quality alert was reported by the National Weather Service in effect until Sunday at ...

An updated air quality alert was reported by the National Weather Service on Friday at 10:18 a.m. in effect until Saturday at ...

A new month starts with some "red" and "orange" air quality levels throughout St. Louis, prompting some concerns about ...

Iowa will be blanketed by hazy skies for the next few days with the air quality index spiking and causing poor conditions for ...

The good news is the air won't be as difficult to breathe on Aug. 1. The bad news is the Canadian wildfire smoke is still ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

Every air quality monitor in Minnesota is reporting red or unhealthy conditions for everyone, an official said.

A cold front is bringing storms and lower temperatures to parts of the country, while the Midwest sees poor air quality from ...

It expires on Friday at midnight, due to elevated levels of fine particulate (PM2.5), the Department of Environment, Great ...