The smoke floating over the border shared between America and Canada is now impacting air quality in states as far south as Texas, AirNow's data shows. The EPA has declared the air quality in states ...

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

If you’ve looked outside and noticed a cloud of haze in the air, you’re likely witnessing the impact of the wildfires burning ...

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 ...

Air quality specialists in the state are starting to more closely monitor wildfire activity in Canada. Because of climate ...

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

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states from Wisconsin to Maine.

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

Large wildfires in remote regions of Canada sent smoke billowing across the border, inundating northern New England with ...

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

Smoke will be transported by the wind, in the same direction, from active wildfire sites. In consequence, neighboring ...

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