Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

Ozone is a gas comprised of three oxygen (O3) atoms. It is unstable and reacts easily to other gases. In its natural state, it is a component in several levels of the atmosphere. At high altitudes ...

The best air quality monitor can help ensure that you can breathe easy in your own home. We tested top models to determine ...

and he added a 20-minute Q&A with reporters aboard Air Force One to the mix Saturday night. He held forth on everything from the color of the presidential plane to the fate of TikTok, Greenland ...

Jan. 17, 2025 — Atmospheric scientists show proposed 'geoengineering' effort to remove methane, a potent greenhouse gas, from the atmosphere could worse air quality while providing minimal climate ...

Trump's Q&A on Air Force One Goes From the Plane's Color Scheme to the Fate of TikTok and Canada ABOARD AIR FORCE ONE (AP) — President Donald Trump hasn’t been shy about sharing his thoughts ...