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

Early one October afternoon in 2023, thick gray smoke drifted across Sheffield's western skyline. As much of the city became ...

Air quality in confined spaces can change in an instant—and assumptions can be costly. Here’s why continuous monitoring and ...

An air quality alert was reported by the National Weather Service on Sunday at 9 a.m. in effect until 8 p.m. for Westmoreland ...

At 4:30 p.m. on Saturday, the National Weather Service reported an air quality alert in effect until Sunday at 4 p.m. for ...

The NWS San Diego CA reported an air quality alert at 3:49 p.m. on Monday in effect until Tuesday at 6 p.m. for San ...

Amid summer temperatures and wildfires burning in the Inland Empire, some areas of Southern California will experience adverse air quality on Monday. Unhealthy air quality is anticipated for the ...

The high school activities associations for North Dakota’s three neighboring states — Minnesota, South Dakota and Montana — ...

We’re ending the day with smoky skies and warm temperatures across the Coachella Valley. It’s been a hot one, and ...

An air quality alert was reported by the National Weather Service on Saturday at 3:45 p.m. in effect until Monday at midnight ...

The National Weather Service reported an air quality alert at 3:45 p.m. on Saturday in effect until Monday at midnight for ...

The city’s air quality improved slightly in 2024 from what it was a year earlier, according to a report by the Center for the ...