Update at 3:37 p.m. July 9, 2025: Episode 28 of the ongoing episodic summit eruption of the Big Island’s Kīlauea volcano ...

Hawaii's Kilauea volcano erupted again at the summit, marking the third eruption of 2024 as volcanic smog threatens communities.

Taal, a small but restive volcano near the capital, spewed above-average sulfur dioxide and volcanic smog on Friday, prompting authorities to issue a health warning and urge residents in affected ...

Taal Volcano belched gas and caused volcanic smog in Batangas province, the Philippines, on September 12. Footage shows a smoke plume rising out of the volcano's main crater at 7am local time ...

Vog, which combines "volcanic" and "smog", is widely used in Hawaii, where it is particularly associated with the Kīlauea volcano.

If you live near a volcano, learn how to prepare for an eruption and how to stay safe from the health effects of volcanic ash.

Update at 10:09 p.m. Sunday, June 29, 2025: Episode 27 of the ongoing episodic summit eruption of Kīlauea volcano on the Big ...

A smog caused by an active volcano south of the Philippine capital has prompted a suspension of classes in schools with air quality reaching “very unhealthy” levels in some areas.

Sulfur dioxide reacts in the atmosphere to create visible haze of volcanic smog, called vog. In high concentrations, vog and sulfur dioxide can cause respiratory problems and other health concerns.

Hawaii's Kilauea volcano erupted again at the summit, marking the third eruption of 2024 as volcanic smog threatens communities.