NBC News’ Liz Kreutz reports from Los Padres National Forest where the largest fire in California is burning out of control.

As the city's surface warms, it heats the air above it, causing that air to rise. This rising motion can pull in smoke-laden ...

A smoke alert has been issued for the Las Vegas Valley as a result of California wildfires, the Clark County Division of Air ...

Temperatures remain in the upper eighties, with an air quality alert in effect until Midnight on Wednesday. The smoke and particulate matter may take some time to fully ...

An upper-level ridge of high pressure will control the forecast all the way through the end of the week, but as a suddenly ...

An air quality health advisory for fine particulate matter will be in effect Wednesday, Aug. 6, for the entire Mid-Hudson ...

After days of poor air quality thanks to wildfire smoke, we'll finally begin to clear it out just as some Summer heat returns.

You may be experiencing a range of issues, from watery eyes to headaches to breathing problems. The current air quality alert ...

Air quality will continue to be impacted by smoke from Canadian wildfires through Tuesday night and Wednesday.An air quality ...

More than 700 wildfires are currently burning in Canada. This is effecting the air quality in the United States, including in ...

FORT WAYNE, Ind. (WPTA) - Today was another Air Quality Action Day as a result of Canadian wildfire smoke overhead. Our air quality has improved since this morning, and is expected to stay in the ...

From Fort McMurray, Alberta, to eastern Canada, wildfire smoke has deteriorated air quality to some of the worst levels in ...