Taal Volcano’s emission of harmful sulfur dioxide gas has decreased, the Philippine Institute of Volcanology and Seismology ...

Taal Volcano, the country's most active volcano, released a 1,500-meter high white plume of smoke on Thursday night.

He made his way back to the hospital amid what he later remembered as “eerie silence.” The smog was inside the hospital where Acheson worked—and inside the lungs of his emergency-room patients.

The smog in Lahore, Pakistan, is at its worst level ever, seriously affecting the health of its 13 million residents. People have been told to stay indoors, schools are closed and vehicles have ...

Global warming will likely hinder our future ability to control ground-level ozone, a harmful air pollutant that is a primary component of smog, according to a new MIT study. The results could help ...

Now, Caltech researchers have quantified the levels of a component of smog called ammonium nitrate, a molecule that has been notoriously difficult to measure, and have found that there is much more of ...

In terms of smog, Los Angeles carries a unique distinction. "We have the highest levels in the U.S.," said air quality assessment manager Scott Epstein with the South Coast Air Quality Management ...

Circulation of this smog satisfies the agitated soul, makes its circulators feel part of something bigger and more precious than ourselves, and feeds an appetite fed on a diet of quick commerce's ...

Should old cars get a break from California’s smog check laws? Former Tonight Show host and avid car collector Jay Leno thinks so. He’s thrown his support behind a bill in the state ...