Dhaka, the overcrowded capital city of Bangladesh, has ranked first on the list of cities with the worst air quality with an ...

Delhi faced intense heat and humidity, with real-feel temperatures peaking at 54.3°C. Thunderstorms are expected Sunday, but ...

As of June 13, Environment Canada has put out a special air quality statement for Whitehorse, Faro, Ross River, Watson Lake, ...

The worst air in the country on the morning of June 14 was in New Castle County because of a wildfire in New Jersey. The air ...

That smoke smell is not a Father's Day barbecue you're missing. The smoke, haze and ash permeating the Philadelphia region on ...

Ohioans should monitor the air quality index daily this summer, as wildfires in Canada send smoke down to the Midwest and ...

Rain continues in much of northern Alberta, clearing wildfire smoke and helping firefighting efforts across the province.