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.

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

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 ...

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 ...

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

"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 ...

The Trump administration plans to shut down research led by the National Oceanic and Atmospheric Administration (NOAA) into pollution from satellites and rockets that is tied in part to Elon Musk’s ...

Ozone as a layer several kilometers up in the atmosphere protects living beings, including humans, from ultraviolet rays. But ...