Add Yahoo as a preferred source to see more of our stories on Google. Good air quality means few pollutants, while poor air quality indicates hazardous levels of pollutants like ground-level ozone and ...

Escaping the sickening air pollution triggered by the ongoing wildfires in Los Angeles has become a game of which algorithm to trust. After the blazes first ignited last week, residents began noticing ...

The Environmental Management Bureau-National Capital Region (EMB-NCR) has advised the public to take precautions against ...

In a world of increasing wildfires and invisible irritants, we consulted with experts to explain why and how to measure air quality in your home and take steps to correct it. By Terri Williams ...

Firefighters work inside a burned structure. After California’s Eaton fire was suppressed in January, invisible gases continued to permeate the air, exposing residents and first responders to ...

Twelve Texas counties have recently exceeded federal air quality standards for particulate matter, commonly known as soot. But Texas environmental regulators are proposing that only four of them be ...

What is air quality and how is it determined?: Watch Good air quality means few pollutants, while poor air quality indicates hazardous levels of pollutants like ground-level ozone and particulate ...