The National Weather Service reported an air quality alert at 12:53 p.m. on Wednesday in effect until Thursday at 10 a.m. for ...

Heat waves are becoming more frequent around the world. And while rising temperatures caused by greenhouse gas emissions are ...

Thousands of people across one state were told to go inside if they start experiencing respiratory symptoms such as coughing.

Air quality in the Chicago area has remained poor for three days in a row, the NBC 5 Storm Team reported Wednesday morning.

The National Weather Service reported an air quality alert at 11:04 a.m. on Wednesday in effect until Thursday at 3 p.m. for ...

Air Quality Health Index (AQHI) values are expected to reach moderate to high risk levels this afternoon and evening as a result of increasing ground-level ozone combining with residual smoke. When ...

Residents across much of the Hudson Valley, Long Island, and New York City are under dual weather alerts on Wednesday, July ...

Detroit faces significant air pollution. Planet Detroit's guide details common pollutants and protective measures.

Canadian wildfire smoke remains in Michigan. On July 16, officials issued an air quality advisory for western counties.

Millions of Americans across nine states were urged to avoid driving and limit outdoor activities on Wednesday as air quality ...

A special weather statement and warning have been issued for southern Ontario on Wednesday. The heat warning continues with temperature highs around 32 C or 40 C with the humidex in the Greater ...

Air Quality Health Index values are expected to reach moderate to high risk this afternoon and evening as elevated levels of ...