Health warnings have been issued in multiple US states, warning millions of Americans to limit outdoor activity as dangerous ...

Ozone is a colorless gas composed of three atoms of oxygen. Ozone forms both in the Earth's upper atmosphere and at the surface. Where ozone forms determines whether it is helpful or harmful to your ...

Southern California faces air quality alerts from wildfire smoke and ozone pollution, with officials urging precautions.

Warmer weather is upon us and many communities in Connecticut, including those of us here in Fairfield County, experienced our first day this summer where the EPA determined the air was unhealthy to ...

Lancaster County is under an air quality alert as increasing ozone levels pose a risk for children, older adults, and people ...

Oklahoma issued an air quality alert for ozone pollution in Oklahoma City and Lawton, urging residents to take precautions.

The Texas Commission on Environmental Quality issued Air Quality Alerts on Wednesday, May 13 for different parts of the state ...

The alert is for ground-level ozone, a type of air pollution that most often occurs on hot, sunny days.

On Tuesday at 4:45 p.m. the Texas Commission on Environmental Quality reported an air quality alert in effect until Wednesday ...