The city is racing to put up 277 sensors. Once installed, Chicago will have the most high-quality air monitors in the country ...

Never-smokers exposed to high levels of fine particulate air pollution have a significantly greater risk of developing lung ...

Any bit of sunshine in the forecast today will be met with not just extra clouds but also some haze and upper level smoke.

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 ...

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

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 Mount Underwood fire near Port Alberni continues to grow, and many on Vancouver Island are feeling the impact. Island ...

The Oregon Department of Environmental Quality has released the 2025 Wildfire Smoke Trends Report, which gathers and examines ...