OTTAWA, Canada — Canada’s wildfires, which have already forced evacuations of more than 26,000 people, continued their stubborn spread Tuesday, with heavy smoke choking millions of Canadians ...

If you’ve noticed a hazy appearance in the sky recently, you’re not alone. The smoke is the result of major wildfires currently burning across several Canadian provinces, including British ...

Wildfire smoke is once again being lofted in the atmosphere and dominating our skies for the next few days. As you can see from the current image of AirNow, which updates current wildfire and air ...

In Ohio, the smoke isn’t expected to have a strong impact on air quality since it will remain mostly confined to the upper levels of the atmosphere. As of Tuesday morning, the PM2.5 level ...

Wildfire smoke from Canada is expected to move over the U.S., impacting air quality for millions of people on Friday and this weekend. Maps and satellite imagery show the large-scale impact of the ...

DULUTH, Minnesota (Reuters) -Smoke from wildfires burning in three Canadian provinces is spreading into the U.S. Upper Midwest, stirring memories of the severe pollution that drifted south from ...

including an estimated 1.3 million non-smokers who are exposed to second-hand smoke. And yet, over 260 million adults in India are users of tobacco, with the use of smokeless forms being about ...

A strong front may trigger severe thunderstorms through parts of Ontario on Wednesday, but wildfire smoke and the timing of the system could limit the development Southern Ontario folks will need ...

Due to the smoke, people throughout the Midwest may be feeling a scratchy throat, and the smoke is not clearing until Tuesday or Wednesday. The smoke is mostly harmful to kids, older adults ...

Wildfire smoke from Canadian fires is drifting south like an unwelcome house guest, ready to turn your blue skies into a hazy mess that makes the sun look like it’s wearing sunglasses.

A "wall of dust" is heading toward Florida and could hang around until the weekend. Smoke from Canadian wildfires dipped as far south as North Florida. The same conditions bringing the Saharan ...

The worst air quality in Minnesota Tuesday morning is in the Twin Cities metro area. Not even the morning rain is enough to prevent thick, near-surface smoke from reaching a "very unhealthy" level. It ...