How to Use ozone in a Sentence

ozone

noun
  • A light breeze filled the rooms of our seaside cottage with ozone.
  • Scientists are concerned about ozone depletion.
  • My goodness, what’s happening to the ozone and the ice caps?
    — Liz Shannon Miller, The Verge, 2 July 2019
  • That's more than last year's 37 — and the ozone period doesn't end until Aug. 31.
    — John Frank, Axios, 6 Aug. 2024
  • It’s been No. 1 for ozone pollution for decades, Pruitt said.
    — Jen Christensen, CNN, 13 Jan. 2025
  • The region has recorded 13 Spare the Air days so far — some due to an uptick in ozone rather than smoke, Richardson said.
    — Kellie Hwang, San Francisco Chronicle, 16 Sep. 2021
  • The levels of many ODSs have been reduced, and the ozone is recovering.
    — Megesh Tiwari, Fortune, 23 Aug. 2023
  • The southwest part of the state has the highest levels of ozone, and the metro and southeast had the most fine particulates.
    — Christopher Magan, Twin Cities, 11 June 2019
  • Cars still add a lot of pollution, and are a dominant source of ozone.
    — Ula Chrobak, Popular Science, 3 Sep. 2020
  • This causes ground-level ozone to build up, leading to more high-ozone days.
    — Natalie Wallington, Kansas City Star, 27 June 2024
  • Ground-level smog contains ozone, which is the main health concern.
    — Ella Nilsen, CNN, 12 Apr. 2022
  • Salt Lake City also ranked two spots better this year for ozone pollution, moving from the eighth-worst city in the U.S. to the 10th.
    — Jordan Miller, The Salt Lake Tribune, 22 Apr. 2022
  • This was before the Clean Air Act, when ozone alert days were common, and children were told to stay indoors.
    — Ryan Kost, SFChronicle.com, 3 Oct. 2019
  • The addition of methane to mimic ozone leads to an increase of 4 Kelvin.
    — John Timmer, Ars Technica, 3 July 2024
  • There’s no rest for the wicked, except during a pair of songs that toy with psychedelia and dub, as if the ozone-free sky is finally too much to take.
    — Chris Richards, Washington Post, 16 Feb. 2023
  • As temps climb and ozone levels rise, Utah officials say, parking the car and taking UTA will help clear the air.
    — Blake Apgar, The Salt Lake Tribune, 31 Aug. 2022
  • The pool and the hot tub use ozone technology to be completely chlorine-free.
    — Everett Potter, Forbes, 29 Nov. 2023
  • The hole in the ozone that forms annually over the South Pole is now larger than Antarctica.
    — Ashley Strickland, CNN, 18 Sep. 2021
  • The two-unit Spruce coal plant each day emits over 11 tons of nitrogen oxides, the compounds that react to form ozone and acid rain.
    — Diego Mendoza-Moyers, ExpressNews.com, 2 Nov. 2020
  • Seven of the 10 U.S. cities with the worst ozone pollution are in California.
    — Matthew Daly, Fortune, 14 Sep. 2023
  • Long-term exposure to heat and ozone causes a reaction with the epithelial cells in the lungs.
    — Sarah Bowman, The Indianapolis Star, 21 Aug. 2023
  • The chemicals were introduced in the 1990s to replace ones that were depleting the ozone.
    — Washington Post, 10 Aug. 2021
  • An Air Quality Alert is in effect for high levels of ozone.
    — Dallas News, 6 Aug. 2020
  • Around 25% more counties got an A grade in the report for lower levels of ozone pollution.
    — Jen Christensen, CNN, 19 Apr. 2023
  • In addition to the ozone pool, there’s a onsen-like bespoke wood hot tub surrounded by trees.
    — Emma Reynolds, Robb Report, 13 Dec. 2022
  • Once released, terpenes react with ozone in the air and form nanoparticles.
    — Joshua Rapp Learn, Discover Magazine, 31 Mar. 2025
  • In some cases, these purifiers can end up producing ozone in the process.
    — Rachel Rothman, Good Housekeeping, 21 June 2022
  • The outdoor pools are chlorine-free (purified with ozone), leaving only the scents of the forest.
    — Ann Abel, Forbes, 21 June 2021
  • Exposure to ozone pollution can cause asthma attacks and chest pain in the short term.
    — Jen Christensen, CNN Money, 23 Apr. 2025
  • Extended exposure to pollutants like ozone or fine particulate matter can lead to coughing, throat irritation and shortness of breath, and .
    — Anna Skinner, MSNBC Newsweek, 18 Apr. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'ozone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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