Tuesday stays warm and dry, with highs near 90 and a bit more humidity under partly cloudy skies in the Philadelphia region.

Canadian wildfire smoke will make the Philadelphia region hazy again on Wednesday. Here's the forecast. Canadian wildfire ...

Expect hazy skies with reduced air quality in the Philadelphia region as smoke from Canadian wildfires is in our area. There is an air quality alert in Pennsylvania for sensitive groups only, but most ...

Air quality alerts are in effect in the Philadelphia area, fueled by smoke from wildfires that are burning thousands of miles ...

Smoke from wildfires burning across Canada are bringing hazy conditions to the area, and all of eastern Pennsylvania is under ...

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity and gusty winds.

Breathing in polluted air for extended periods of time can pose a serious health risk for people, especially for vulnerable ...

Anyone who might be especially vulnerable to the effects of air pollution should limit their outdoor activities.

Under a Code Orange alert, it's recommended that children, older adults and those with respiratory illnesses limit time spent ...

Blazes burning across Canada are sending air quality plummeting in Detroit, Chicago, New York and other major U.S. cities ...