Ozone pollution was expected to exceed federal health standards, and residents were encouraged to be safe and not contribute to ozone pollution.

An AirNow forecast for Saturday anticipates air quality that is considered unhealthy for sensitive groups in some Texas cities.

Earlier this week, the EPA rolled back some guidelines from the Clean Air Act. Arizona state lawmakers on both sides of the ...

The U.S. 5th Circuit Court of Appeals gave a big win to the EPA when it upheld a Biden-era ozone ruling affecting Louisiana and Texas, but there ...

Cities in California, Texas and Arizona are expecting air quality to become unhealthy for sensitive groups on Thursday.

The decision bought officials time to avert economic harm, but raised concern from health advocates about the continued impacts of ozone on Arizonans.

Officials are urging Texans to cut emissions as weather conditions are expected to enable a spike in ozone pollution.

According to Newsweek the TCEQ's "Take Care Texas" outlines what residents can do to reduce ozone formation. That includes ...

Residents of Houston and surrounding areas are being urged to limit emissions on Wednesday due to air quality concerns.

Weather conditions can influence air quality and the impact of the Masters could be more or less pronounced depending on these conditions.

After a high-profile visit to Utah and a meeting with state political leaders, the Environmental Protection Agency announced a rule change when it comes to air pollution regulations.

CleanAIRE NC says actions from the Trump Administration will hinder its progress for local clean air initiatives.