Smoke from climate change-fueled wildfires in Canada and northern Minnesota blanketed skies across much of the Midwest and ...

Thick, choking plumes of smoke from wildfires in Canada are pouring into major cities across the Midwest, Northeast and ...

A Code Purple air quality alert is in effect for all of south-central Pennsylvania as thick wildfire smoke continues to ...

Wildfire smoke isn't the only threat to your indoor air. We tested 25 indoor air quality monitors to find the best models for ...

While with triple-digit temperatures are gone, the Canadian wildfire smoke remains in Delaware for at least another day. While the First State no linger is in excessive heat warning, Delaware will ...

As air quality alerts remain in effect for multiple states, many people may wonder if the smoke will lift in time for the ...

Delaware is under a Code Red air alert due to smoke from Canadian wildfires. What does a code purple mean and what is AQI?

Wildfire smoke is made of a mix of pollutants, including fine and small particle pollution called PM2.5, one of the most ...

Wildfire smoke is creating dangerous air quality across the DMV, with Code Purple conditions across much of the region and ...

An Air Quality Alert remains in effect for the Chicago area Friday due to smoke from Canadian wildfires. The alert is in ...

AirNow map tracks air quality readings. Zoom out to see more areas as smoke from wildfires in Canada and Minnesota pushes ...

Ohio's Air Quality Advisory remains in effect as smoke from Canadian wildfires worsens conditions. Several parts of Northeast ...