The refinery is looking to increase its annual oil gas processing in a unit by roughly 8%, which would similarly raise ...

Officials with the Arkansas Department of Energy and Environment and the Division of Environmental Quality (DEQ) have issued ...

Central Arkansas has been placed under an Ozone Action Advisory, which is now classified as "Code Orange".Determined color ...

At 2:38 p.m. on Tuesday, the Texas Commission on Environmental Quality reported an air quality alert in effect until ...

After recent dusty days in the Valley, Maricopa County is advising citizens to consider air quality by eliminating activities ...

Sensitive groups are at a higher risk of health issues due to the outside air, according to area air quality experts.

Potentially hazardous air quality has gripped Phoenix, Arizona, as a combination of stagnant weather, windblown dust, and warm temperatures fueled a rise in PM10 pollution, prompting hazy skies and ...

Poor air quality caused by ozone and other sources prompted the warnings across six states on Thursday and Friday.

Actions to reduce dust pollution, according to the Pima County Department of Environmental Quality ...

Phoenix skies were already hazy with dust from winds. The July 4 fireworks from the store could make it worse.

Skies over metro Phoenix were hazy and gray Tuesday morning. Here's what is causing poor air quality in Phoenix and when it ...

While stakeholders have largely praised the effort, at least one air quality expert wondered why the state’s plan seems to be ...