ozone

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Not the good, high-altitude ozone that shields us from dangerous UV light, but bad ozone, hovering right above ground level — stinking, brownish, grayish photochemical smog.

From Los Angeles Times • Mar. 26, 2026

And this will blow your mind: The cooking from L.A.’s fab new restaurant scene creates as much man-made ozone as our cars do — one-quarter of the total!

From Los Angeles Times • Mar. 26, 2026

Under the Clean Air Act, the EPA enforces limits on when ethanol-blended fuels can be sold due to concerns about their contributions to ground-level ozone, a primary component of smog.

From Barron's • Mar. 25, 2026

He draws parallels to chlorofluorocarbons pollutants released from refrigerators that bore a hole in the ozone layer last century, and were eventually banned.

From BBC • Feb. 19, 2026

Its air is thin, containing mostly carbon dioxide but also some molecular nitrogen and argon and very small quantities of water vapor, oxygen and ozone.

From "Cosmos" by Carl Sagan