Canadian wildfire smoke is again putting Minnesota under a statewide air quality alert that will last until 5 p.m. Saturday.

"The New Jersey Department of Environmental Protection has issued a code orange air quality alert Tuesday for Ocean County ...

An air quality alert was issued in Delaware on Tuesday, July 29, as ozone levels reached unhealthy levels for sensitive ...

The North Country and northern Vermont have an Air Quality Alert out because the Air Quality Index (AQI) will straddle the “unhealthy for sensitive groups” and “unhealthy” categories today. Meanwhile, ...

The best way to protect yourself from poor air quality is to stay indoors, especially when the Air Quality Index reaches ...

The Mid-Ohio Regional Planning Commission has issued an Air Quality Alert for central Ohio counties due to elevated ozone ...

If you have breathing problems, be sure to take it easy on Wednesday and limit outdoor time. Air quality will be unhealthy ...

If you were planning to be outdoors on Saturday, you might want to reconsider. That's because an air quality alert has been ...

A code orange air quality alert and a heat advisory are in effect across portions of New Jersey and eastern Pennsylvania ...

Canadian wildfire smoke no longer lingers in Michigan as of July 18. Southwest Michigan will experience unhealthy air for sensitive groups on July 21.

Unhealthy air quality is expected in southern Rhode Island on Tuesday, July 29, due to high ground-level ozone. Residents are ...

An air quality alert was issued by the National Weather Service in Mount Holly at 3:45 p.m. on Monday, July 28. This warning ...