The National Weather Service says Canadian wildfire smoke will return to Michigan Monday. Residents in northern Michigan ...

Hot weather is expected to linger for several more days, with forecasters warning of soaring temperatures and humidity across Ontario. Mississauga, Brampton, Halton, Hamilton and Durham are among the ...

Local health officials, firefighters and community leaders weigh in on the growing concern over wildfire season.

The national capital on Sunday recorded a maximum temperature of 33.6 degrees Celsius, 7.8 notches below the seasonal average ...

Once again, smoke from Canadian wildfires are drifting down into Minnesota, creating unhealthy air for everyone for the next ...

For the last several summers, portions of the United States have been impacted with poor air quality days as a result of wildfire smoke from fires elsewhere.

A new study ranks Oklahoma City and Tulsa among the unhealthiest of America's 100 largest cities. Learn more about the ranking.

Dhaka has long been grappling with air pollution issues. Its air quality usually turns unhealthy in winter and improves during the monsoon ...

The India Meteorological Department has forecast thunderstorms with rain and the maximum temperature expected to settle ...

Canadian provinces have evacuated towns and struggled to contain the second-worst wildfire season in 30 years.

The Minnesota Pollution Control Agency  has issued an air quality alert for all of Minnesota. The alert takes effect 9 a.m.