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 ...

An air quality alert for central and southern Minnesota continues from Wednesday into Thursday until 11 p.m. The Minnesota ...

The Levoit Core 400S air purifier is on sale at Amazon—quiet, powerful HEPA filtration for wildfire smoke, pollen, and pet ...

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, ...

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

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

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

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 ...

With smoke from Canadian wildfires expected to continue affecting affect Michigan this summer, knowing how to check the air quality before heading outside for physically demanding work or recreation ...

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 ...