Scientists detected an unusually thick ozone layer over the North Bay of Bengal during a nationwide observation campaign. The finding shows how ozone-rich air can be transported downward and ...

In 1974, two chemists made a shocking prediction: that common chemicals used in spray cans and fridges could one day destroy ...

NASA, the Utah Division of Air Quality and several universities are teaming up to find out why the Salt Lake Valley has so much bad air — and what might solve it.

With multiple blazes burning, heavy wildfire smoke is blanketing parts of the United States and Canada, but that doesn’t ...

Los Angeles County is under an air quality alert which was reported by the National Weather Service on Thursday at 4:02 p.m. The alert is in effect until Sunday Aug. 2, at 8 p.m.

Automotive engineers have changed the refrigerant that most vehicle A/C systems use to avoid pollutants, but these efforts ...

Many window air conditioners, mini-split heat exchangers and portable air conditioners don’t have the filters needed to remove fine pollution particles.

The Ohio Environmental Protection Agency has issued a statewide air quality advisory due to smoke from Canadian wildfires being blown south by weather front.

An air quality advisory is in effect for the Reno-Sparks area August 5 through the 6, as regional wildfires are expected to ...

At 3:31 p.m. on Sunday, the Texas Commission on Environmental Quality reported an air quality alert in effect until Monday at ...

On Monday at 3:35 p.m. an air quality alert was reported by the Texas Commission on Environmental Quality in effect until ...

Initiative 177, brought forward by Advance Colorado, qualified for the ballot, according to the Colorado Secretary of State’s office.