Another wave of wildfire smoke has drifted into the US, ... As plumes of smoke billow out of Canada’s forests, some may be wondering why many of the fires are being allowed to burn unchecked.

Smoke from Canada's wildfires may return to the U.S. this week after plaguing parts of the East with widespread air quality concerns last week, forecasters warned. AccuWeather satellite imagery ...

Smoke from the blazes is expected to fall heavily over Midwestern states, including Wisconsin, Minnesota, and Michigan, and cut across the country to reach the Carolinas by May 31, according to ...

Some of those blazes also sent thick, hazardous smoke into US cities. A satellite image shows smoke rising from wildfires in Manitoba, Canada, on May 27, 2025. European Union/Copernicus Sentin ...

By Thursday night, the thickest smoke will continue to spread over the Mid-Atlantic. AQI values may reach 400 in some areas. (Levels under 100 are generally considered safe.) ...

Meteorologists on Saturday alerted millions of residents in Puerto Rico and Texas of potentially dangerous heat conditions, with some areas expecting heat indexes over 110 degrees. Those warnings ...

Canadian wildfire smoke is reaching the northeastern part of the United States, with multiple National Weather Service (NWS) offices saying they are experiencing issues with the smoke. One NWS offi… ...

Any smoke from the Canadian wildfires may run into scattered thunderstorms forecast for Friday evening in the Chicago area. “It looks like the smoke is moving in behind the cold front,” NWS ...

Atmospheric smoke from wildfires along the West Coast may not be noticeable to people living in the northeastern U.S. and Canada. That's because smoke that travels long distances tends to travel ...

Smoke at higher altitudes, up to 25,000 feet, can be detected by a laser from the ceilometer. The instrument measures the time required for a pulse of light to be scattered back from the clouds ...