Canadian wildfire smoke is triggering air quality alerts across the U.S. Midwest and Northeast on Thursday, as the northern ...

Air quality warnings show PM2.5 particles at dangerous levels. Learn why today's hazy sky is a toxic soup that's damaging ...

With wildfire season starting earlier this year, it’s a smart time to get your home ready for what could be a long, smoky ...

The worst air in the country on June 14 is in New Castle County. The air quality index in Wilmington as of 9:45 a.m. was 227, which is "very unhealthy," according to AirNow. A monitor in Newark was at ...

Maps show where new plumes of smoke will cause hazy skies through the end of the week. Low-level smoke is forecast to spread ...

New York state health officials have issued an Air Quality Health Advisory for NYC on Thursday due to the forecast presence ...

Smoke has made its way back into the northern tier of the U.S., prompting air quality alerts in North Dakota, Minnesota and ...

The raging fires on Thursday are also expected to degrade air quality in parts of the Great Plains and Midwest. In New York, ...

Smoke traveling from wildfires in Canada, North Dakota and Minnesota triggered an air quality warning in northern Wisconsin.

The air quality in Boston over the last few days hasn't been great, and you may have noticed a foul smell or slight haze in ...

Officials issue an air quality advisory for counties in southwest Michigan as Canadian wildfires burn. Here's what the air ...

Officials at Cleveland Department of Public Health are keeping an eye on local threats to the region’s air quality, including ...