Canadian wildfire smoke will again choke Minnesota skies on Sunday, prompting a statewide air quality alert that will last most of the day.

The state Department of Environmental Conservation has issued an air quality health advisory for Sunday due to smoke from ...

The Maine Department of Environmental Protection warns that unhealthy conditions may persist through the weekend.

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

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

The Maine Department of Environmental Protection warns that unhealthy conditions may persist through the weekend.

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

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

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

Ashtabula County skies have seen hazy conditions, as smoke from the ongoing Canadian wildfires has blown across the midwest.

Recapping some of the most talked-about news this week from the nation and around the world – in case you missed it.