Active children, the elderly and people with asthma and COPD are more likely to suffer an increase in the number and severity ...

Much of southern Ontario was under an air quality statement on Thursday and Friday that lifted early Saturday morning.

A four-alarm fire at an abandoned four-story West Philadelphia apartment building put firefighters to the test as hot spots were doused, new ones leapt from the building.

To reduce pollution and protect public health, it is recommended to avoid gas stations during air-quality alerts or refueling ...

Following a period of dry and nice weather over the weekend, thunderstorm downpours will usher in the new workweek in the ...

Smoke from wildfires in northern Alberta and northeastern B.C. was expected to reach Calgary this weekend, with forecasters ...

Here’s your First Alert Forecast: TODAY: Patchy dense fog this morning. Hazy at times during the day with a mix of sun and clouds. Rain chances increase overnight into Sunday morning. High 78F. Low ...

Winds from the northwest will pull wildfire smoke back into Minnesota skies over the weekend, as well a chance for rain ...

The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health ...

Wildfires have forced a further 1,000 people to flee their homes in the Canadian province of Manitoba, which is under a state ...

The American Library Association and the American Federation of State, County and Municipal Employees filed a lawsuit to stop ...