Multiple Philadelphia fire trucks are on the scene of a four-alarm blaze at an apartment building in West Philadelphia early ...

The Canadian wildfire smoke in Central New York has caused the AIDS 5K Walk/Run to be cancelled. The run was originally ...

Conditions are expected to gradually improve Sunday as winds dillute the fine particulate matter that affects health.

Some areas may only see a few hours of alert-level smoke concentrations due to the relatively fast movement of the ...

Canadian Grand Prix is expected to go ahead as planned despite thick wildfire smoke spreading across Montreal.

The Maine Department of Environmental Protection warns that unhealthy conditions may persist through the weekend.

The air quality alert may need to be extended into Monday if an additional batch of heavy smoke materializes from Manitoba ...

Active children, the elderly and people with asthma and COPD are more likely to suffer an increase in the number and severity ...

Much of southern Ontario was under an air quality statement on Thursday and Friday that lifted early Saturday morning.

Sunday will start off sunny but end rainy and windy. The wind will pull down wildfire smoke from the northwest, placing Minnesota under an air quality alert until 11 p.m.

Air quality alert issued for several New York regions June 8 due to Canadian wildfire smoke and fine particulate matter.

Drier and less humid weather arrives Sunday. Expect lots of sunshine, but Canadian wildfire smoke will bring a hazy look to the sky. It will be seasonably warm, with highs near 80.