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 ...

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

An updated Air Quality Health Advisory for fine particulate matter was issued by state officials Monday for the New York City Metro, Lower Hudson Valley, Upper Hudson Valley, Adirondacks, Eastern Lake ...

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 ...

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

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 ...

We’re more than two-thirds of the way through Chicago’s meteorological summer, and so far when the weather hasn’t been suffocatingly hot and humid, it’s featured air that’s dangerous for too many of ...

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