State officials are encouraging Michiganders who own their own air quality sensors to contribute their readings to ongoing ...

Across the state, Oregon’s air is getting harder to breathe. The number of days the air quality index was unhealthy for ...

Here's why the Canadian wildfire smoke is returning to the state and what to know about the latest air quality advisory.

Winds could blow smoke from the Bear Gulch fire burning on the Olympic Peninsula, bringing the potential for unhealthy air ...

The Bay Area Air District has issued an air quality advisory in the region for Tuesday because of smoke from a wildfire in ...

Bay Area residents may see hazy skies and smell smoke, but the air district does not expect pollutant levels to exceed ...

While the smoke is worst along the Western Slope where the fires are burning, levels are also fluctuating on the Front Range.

Wildfires are burning across the Western United States and Canada, affecting large parts of the country as smoke drifts. With ...

Air quality alerts are in place again for the entire Western Slope as firefighters battle more than 20 fires. The Colorado ...

An air quality advisory has been issued in the Bay Area for Tuesday due to wildfire smoke drifting in from the Gifford Fire ...

The latest report examines air quality readings from the 2024 wildfire season, the most expensive in state history and ...