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

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 ...

Wildfire smoke from the Bear Gulch Fire could create “unhealthy or hazardous” air quality conditions in Mason County over the ...

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 ...

Canadian wildfires burning across northern Manitoba and Saskatchewan are sending smoke through central Canada, the Great ...

For most of the past decade, forecasters have been able to use satellites to track these smoke plumes, but the view was only ...

Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have sent smoke pouring across large sections of the country — a problem that’s ...