\ˈvȯg, ˈväg\

Definition of vog 

: air pollution caused by volcanic emissions

Examples of vog in a Sentence

Recent Examples on the Web

Experts expect heavier vog, or volcanic smog, to blanket the interior and southern parts of the Big Island, wrapping around to Kona through the weekend. CBS News, "Kilauea volcano eruption: Seismic activity increases, earthquakes strike 5 days in a row," 15 June 2018 The prevailing trade winds typically limit the spread of vog, which can affect those with sensitive respiratory systems. Jeanne Cooper, San Francisco Chronicle, "Eruptions in Hawaii: What you need to know before traveling to the islands," 17 May 2018 On Thursday and Friday, winds will be relatively calm, which increases the likelihood of vog. Angela Fritz, Washington Post, "Harmful acid rain in Hawaii? Probably not. The clouds of sulfur dioxide are much worse.," 10 May 2018 Vog is not a new issue, by the way: The entire state has experienced vog on and off since 2008. Beth J. Harpaz, sacbee, "Beach connoisseur: Maui has best one, Coronado’s is 9th," 31 May 2018 Pele's hair joins a growing list of bizarre volcanic phenomena lingo that also includes laze and vog. Doyle Rice, USA TODAY, "Yes, 'Pele's hair' is falling from the sky in Hawaii," 30 May 2018 Over the long term, though, the outdoor air will gradually seep inside so windows should be opened again when vog levels decrease. Susan Scutti, CNN, "Hawaiian vacation planned but you're worried about air quality? Go.," 10 May 2018 There are new fears that shifting trade winds will send vog plumes toward the rest of the state. Barnini Chakraborty, Fox News, "Hawaii's governor, FEMA head to Big Island as lava continues fiery path," 7 June 2018 More: What in the world are vog, laze and Pele's hair? Trevor Hughes, USA TODAY, "New evacuations ordered on Hawaii's Big Island as lava flows from volcano threaten roads, destroy homes," 1 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vog.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of vog

1969, in the meaning defined above

History and Etymology for vog

volcanic + smog

Keep scrolling for more

Learn More about vog

Dictionary Entries near vog








Statistics for vog

Last Updated

11 Nov 2018

Look-up Popularity

Time Traveler for vog

The first known use of vog was in 1969

See more words from the same year

Comments on vog

What made you want to look up vog? Please tell us where you read or heard it (including the quote, if possible).


the figure or shape of a crescent moon

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!