Houston recently got an F grade for its air quality. Here's how Saharan dust and agricultural wildfire smoke are brought to ...

SAN ANTONIO - Residents are urged to take precautions Monday as the Texas Commission on Environmental Quality (TCEQ) has ...

The Arizona Department of Environmental Quality issued an Ozone High Pollution Advisory for Maricopa County, warning of health risks and recommending precautionary measures.

Multiple Texas metroplexes, including Dallas-Fort Worth, ranked among some of the worst areas for ozone pollution in the ...

The lists are based on the average number of days declared 'unhealthy' by government environmental agencies, with the most ...

Learn more about the latest Phoenix area weather forecast and conditions with Most Accurate Forecast from ABC15.

Learn more about the latest Phoenix area weather forecast and conditions with Most Accurate Forecast from ABC15.

An air quality alert will go into effect for the Phoenix metropolitan area on Wednesday amid concerning ozone levels.

When a person breathes these particles in, they can get stuck in the lungs and move into the bloodstream, causing irritation and ... 15th worst in the nation for ozone pollution.

Mark DeSaulnier, a California Democrat, called the Republicans’ attempt to use the CRA to kill California’s waivers ...