While both dust and smoke are similar, it's also important to point out their differences. Here's how to tell what's causing the haze in your skies.

The U.S. Air Quality Index (AQI) is the Environmental Protection Agency’s tool for reporting outdoor air quality and health.

Air quality alerts and advisories have been issued in multiple states as Canadian wildfire smoke continues to spread.

The U.S. Environmental Protection Agency warns that wildfire smoke contains dangerous pollutants in the form of fine ...

The projected 101 on the Air Quality Index is unhealthy for sensitive groups, according to a state department.

CleanAIRE NC’s AirKeeper Dashboard is an interactive map that shows air quality data and the location of polluters. It also ...

The Iowa Department of Natural Resources issued an air quality warning across the state from Tuesday to Thursday morning, ...

The DNR is reporting an Air Quality Index level in the "Unhealthy" category for Milwaukee on June 4. The National ...

Milwaukee currently has the worst air quality in the U.S., The New York Times reported on June 4. Here's what you need to ...

See where Canadian wildfire smoke and plume of dust from the Sahara will hover over U.S. East Coast this week.

Smoke from Canadian wildfires began to worsen air quality in the eastern U.S. on Wednesday as several Midwestern states ...