Smoke from Canadian wildfires drifted into the region last week. Doctors said they've seen an influx in appointments for respiratory problems as a result.

Smoke drifting into the region from southern California wildfires caused Clark County to issue an air quality alert for the ...

The Pennsylvania Department of Environmental Protection (DEP) says there will be a Code Orange Air Quality Action Day on ...

Continuing smoke from the Canadian wildfires is causing the north country to be under an Air Quality Alert for the third ...

The air quality index on Tuesday across the Midwest and the Northeast ranged from "moderate" to "unhealthy" for sensitive adults. Some areas in northern Wisconsin, eastern Pennsylvania, northern ...

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

The wildfire smoke from Canada that has turned the sky in New England hazy can be harmful for some people, but there are ...

Ulster County residents can't seem to catch a break from stifling summer weather, and Canadian wildfires aren't doing us any favors. Across the whole Mid-Hudson region, an air quality health advisory ...

New revelations stir controversy in San Antonio Aquarium octopus scandal Maine cop arrested by ICE transferred to second ...

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 ...