Smoke from Canadian wildfires is making the air dangerous in parts of Canada and the United States. The air is considered ...

Smoke from northern Minnesota and western Ontario wildfires is pouring over the Great Lakes, mid-Atlantic and Northeast, ...

Heat waves contribute to poor air quality—in fact some of the worst air quality often comes during heat waves. Hot, stagnant ...

What you should knowThe Pennsylvania Department of Environmental Protection has declared a statewide code red air quality day ...

Smoke from the Canadian wildfires is raising concerns for children's health, with doctors advising limiting time outdoors.

Here's what you need to know air quality in Vermont as hazy skies cover the state.

A new study published in Nature Communications reveals a hidden source of antibiotic resistance, providing an early warning ...

The EPA's Air Quality Index (AQI) measures how safe, unhealthy, or hazardous the air outside is. Here's a guide on how to read the AQI.

The thick haze of smoke impacted everything from day camps to outdoor art fairs. In Marquette, ash looked like snow.

AMES, Iowa - Iowa youth are gaining national attention for their innovative use of artificial intelligence to address ...

Smoke from Canadian wildfires continues to blanket parts of the Midwest, Great Lakes and Northeast.