The state of Minnesota is entering another in a long string of summer days marred by air quality alerts. Poor air quality ...

National Weather Service officials issued an air quality alert set to expire at midnight Saturday for the Chicago and ...

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

National Weather Service officials called an air quality alert in effect until midnight as well as a beach hazard warning.

Chicago air quality remains in the top five worst in the world Friday with an Air Quality Alert in place from Canadian ...

High ozone levels mean August 4 will be a Code Orange Air Quality Action Day for Delaware.

The New York State Department of Environmental Conservation (DEC) has issued an Air Quality Health Advisory for fine ...

On Sunday at 10:58 a.m. EDT the National Weather Service reported an air quality alert in effect until Tuesday at midnight ...

At the Minnesota Pollution Control Agency (MPCA), most of Minnesota was classified as having “moderate” air quality late ...

The smoky air is predicted to reach New York City on Monday, and it could bring unhealthy air quality for sensitive groups.

On Sunday at 9:43 a.m. an air quality alert was reported by the National Weather Service in effect until 9:45 p.m. for Oneida ...