As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

Extreme heat warnings are remaining in place for parts of southeast California, southern Nevada and much of Arizona where ...

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. By Judson Jones ...

Another air quality alert is in effect Tuesday for NYC, western Long Island, the Hudson Valley, northwest New Jersey and ...

An air quality alert is in effect for all of Massachusetts as smoke from Canadian wildfires descends into the Boston area.

Air quality alerts are issued when pollution levels rise to unhealthy levels, warning the public, especially vulnerable ...

The New York State Department of Environmental Conservation issued the alert due to elevated levels of fine particulate ...

A number of states in the United States have declared air quality warnings with concerning levels noted across many of the ...

Meteorologist Jill Gilardi kept an eye on air quality on Wednesday while looked ahead to a potential heat wave next week.

At 4:47 p.m. on Tuesday, the National Weather Service reported an air quality alert in effect until Thursday at midnight for ...

Freeway corridor near Santa Clarita, Western San Gabriel Mountains/Highway 14 Corridor and Eastern San Gabriel Mountains are ...