Heat waves are primarily caused by high-pressure systems that push warm air down onto an area and hold it there. During heat ...

The state has temporarily stopped collecting air quality data in Flint after someone broke into a monitoring station at a ...

On Tuesday at 3:45 p.m. the National Weather Service reported an updated air quality alert in effect until Thursday at ...

Air quality conditions around the Bluff City are a hot topic again, a day after the release of a study the City of Memphis ...

Continued drifting of wildfire smoke from Canada and Alaska has prompted Bay Area air regulators to extend an air quality ...

The National Weather Service reported an air quality alert at 11:45 a.m. EDT on Sunday in effect until Tuesday at midnight ...

At 3:45 p.m. on Tuesday, the National Weather Service reported an updated air quality alert in effect until Thursday at ...

On Monday at 3:32 p.m. the National Weather Service reported an air quality alert in effect until 11 p.m. for Passaic, Hudson ...

If the air feels a little heavier today, you're not imagining it. A health advisory for elevated air pollution levels remains ...

A new law was hailed as a win for Wasatch Front air quality. But it's not yet clear whether it will lead to any additional, ...

An air quality alert was in effect for a section of Vineland, New Jersey, Sunday after crews worked overnight to extinguish a ...

On Monday at 9 a.m. an air quality alert was reported by the National Weather Service in effect until 8 p.m. for Westmoreland ...