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

While the sky has looked opaque today due to wildfire smoke, most of this smoke is elevated above the ground, minimizing air ...

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

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

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

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 ...

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

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 ...