Los Angeles County is the focus of an air quality alert reported at 1:58 p.m. on Wednesday by the National Weather Service.

According to the Environmental Protection Agency (EPA), ozone exposure can irritate the respiratory tract, causing coughing, ...

Air quality levels are expected to be unhealthy for sensitive groups. This includes children, the elderly, and those with ...

As of Wednesday, 203 active wildfires were burning in Canada, with 102 of these considered to be “out of control,” meaning fires that are being observed and assessed, but not immediately ...

A Code Orange is triggered when the air quality index reaches a value of 101 to 150, meaning it’s “unhealthy for sensitive groups.” The reading in parts of the metro area was 115 at 6 p.m. Anything ...

People in Colorado have been urged to avoid driving gas and diesel vehicles on Thursday amid an air pollution warning.

If the air feels a little heavier today, you're not imagining it. A health advisory for elevated air pollution levels remains ...

The Pennsylvania Department of Environmental Protection has issued a Code Orange Air Quality Alert for Erie County, signaling ...

The Pennsylvania Department of Environmental Protection has issued a Code Orange Air Quality Alert for the Susquehanna Valley ...

As multiple counties in the Miami Valley are under an Air Quality Alert (AQA), it’s important to stay hydrated and aware of the risks. According to the National Weather ...

A code orange alert has been issued for the Lehigh Valley and eastern Pennsylvania on Monday due to elevated ozone levels as ...

An air quality alert was issued by the National Weather Service in Denver at 4:11 p.m. on June 18. This warning applies to Adams, Weld, Jefferson, Larimer, Denver, Douglas, Broomfield, Boulder and ...