Wildfire smoke brings hazy skies and poor air quality to Chicago today, with hot and humid weather building into the weekend.

Wildfire smoke from Canada and the West Coast is impacting air quality across the U.S., including right here in Virginia.

The air quality index (AQI) dropped below 100 overnight, meaning the air quality is now “unhealthy for some” across a good portion of northern Illinois. Those with heart and lung ...

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

The clouds will rule the day thanks to onshore winds. This will also keep temperatures below average once again, with highs ...

This will be another partly cloudy day with a stray pop-up shower chance. While we expect a little bit of rain, the chance ...

An air quality alert from Canadian wildfire smoke will last through the day Wednesday, according to Vermont Emergency ...

It will be mostly dry Wednesday with cloudy skies, hazy conditions from Canadian wildfires, and highs in the low to mid-80s. Check the full forecast for more.

In response to air pollution caused by smoke from ongoing Canadian wildfires, the Pennsylvania Department of Environmental Protection declared an Air Quality Action Day in Bradford County yesterday.

With Canadian wildfires seemingly out of control, states from Wisconsin to Maine and as far south as Pennsylvania and ...

Air quality has taken a serious hit across the United States as a twofold blow of wildfires in the West and in Canada have ...

The weather pattern over the Northeastern U.S. has been "stuck" lately, with a strong area of high pressure acting as a ...