AUSTIN, Texas — The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Austin area for Wednesday, June 16. Action days are declared when the Air Quality Index (AQI ...

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DENVER — The wildfire smoke that is streaming into Colorado from out of state, is only part of a pollution cocktail creating hazy skies on the Front Range. An air quality alert was in place for the ...

DENVER — Citing a failure to achieve federal ozone standards, the Environmental Protection Agency (EPA) on Tuesday suggested downgrading Colorado's Front Range status from "serious" to "severe." If ...

WEST LAFAYETTE, Ind. - Ozone is electrified air, similar to the air that humans breathe, and it can be used to kill bugs, fungus and eliminate mold in grain bins, said a Purdue University expert. An ...

The recovery of the ozone layer — which sits miles above the Earth and protects the planet from ultraviolet radiation — has been celebrated as one of the world’s greatest environmental achievements.

DENVER (AP) — Earth’s protective ozone layer is slowly but noticeably healing at a pace that would fully mend the hole over Antarctica in about 43 years, a new United Nations report says. A once-every ...