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

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 ...

Republican lawmakers are blaming Canada for not preventing and containing wildfires, whose smoke has fouled the air in ...

Firefighters are tackling a major moorland wildfire for a sixth day, with smoke from the blaze visible up to 80 miles (128km) ...

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

Researchers found that wildfire smoke can raise ozone to dangerous levels, posing hidden health risks even in remote areas.

Expect a cooler Wednesday with hazy skies from Canadian wildfire smoke, followed by a warming trend and potential ...

A dramatically large and dark column of smoke dominated the sky Tuesday as the Gifford Fire continued to burn in San Luis ...

Several rounds of wildfire smoke have been moving into Denver, Boulder, Fort Collins and communities up and down the I-25 ...

West-Northwest Winds will continue to bring Smoke south from Canada into Minnesota Today and at times Air Quality in the Twin ...