Smoke from Canadian wildfires began to worsen air quality in the eastern U.S. on Wednesday as several Midwestern states ...

While the smoke may cloud your vision of the sky or ruin a day at the beach on this week's warmest days of the season so far, ...

Forecasters say the smoke from the west will move “aloft” over the region starting Tuesday night before moving east late ...

Smoke from more than 100 wildfires blazing in Canada is expected to spread to impact air quality in more U.S. state.

Smoke from the wildfires is expected to move out by Tuesday but could return as the fires continue to burn across Canada.

Children, older adults, and people with respiratory or heart conditions such as asthma or COPD may begin to experience health ...

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

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

More than 200 wildfires are raging across Central and Western Canada. That smoke is creating hazy skies in New England and prompting some air quality alerts.

The Iowa Department of Natural Resources warned that air quality in a band from the state's southwest corner to the northeast ...

The Maine Department of Environmental Protection has issued an Air Quality Alert for communities in the Southwest Coastal ...