PM2.5 — is expected to push the Air Quality Index over 100, reaching levels unhealthy for sensitive groups, including ...

Northeast Ohio is under an air quality alert until midnight Monday. Here's what's causing the poor air quality and how to ...

Millions of people across the Upper Midwest and the Northeast are under air quality alerts Monday, as smoke from wildfires in ...

The Wisconsin Department of Natural Resources re-extended its air quality alert statewide as wildfire smoke lingers.

The Air Quality Index system used by the Environmental Protection Agency often rises to unhealthy levels due to wildfires, so ...

Yesterday, the National Weather Service issued an air quality alert for Northeastern Pennsylvania as smoke from Canadian ...

Forecasters say weak winds have left Canadian wildfire smoke to linger over the U.S. Stronger winds are expected to bring ...

She explained that air quality is largely influenced by wind patterns. With wildfires burning in central Canada, ...

The mid-Hudson Valley is expected to have an air quality index of 101 Aug. 4, which is unhealthy for at-risk groups.

State officials on Monday issued an air quality health advisory for most of Western New York and other regions through Tuesday due to the smoke from ongoing wildfires ...

Due to Canadian wildfires, New York State issued an air quality health advisory effective until midnight August 4, impacting ...

An air quality alert went into effect for the metropolitan area went out Monday at midnight and continues until midnight ...