The Houston region's annual weighted average of high ozone days was 34.8 between 2021 and 2023. Ozone air pollution, also known as smog, can cause lung inflammation.

The American Lung Association released its 2025 report card on air quality, revealing a mixed bag for Colorado.

Residents in the both the San Antonio and Dallas-Fort Worth areas were warned of elevated ozone levels on Tuesday.

What is ground-level ozone? The sunlight and high temperatures interact with chemicals in the air and create a toxic layer.

Their pollution was something on the minds of many (with some strategies to mitigate it already in place, like for Ariane 6 ) ...

Texas, Ohio, and Minnesota residents were warned of ozone pollution levels that were potentially unhealthy for sensitive groups on Monday.

Trucks: These are the vehicles responsible for most of our air pollution. While medium to large trucks represent only 6% of ...

An air quality alert has been issued for Monday in western and central Minnesota due to expected high ozone levels.

The Texas Commission on Environmental Quality reported an air quality alert at 3:28 p.m. on Sunday in effect until Monday at ...

"It interacts with everything it touches." Scientists issue dire warning over 'unstable' airborne threat impacting human ...

"They do deserve to be given a break." Major oil company sparks backlash with proposal that could endanger public health: ...

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