light pollution
noun
: artificial skylight (as from city lights) that interferes especially with astronomical observations
Examples of light pollution in a Sentence
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Choose moonless nights between the last quarter moon and a few days after the new moon for the darkest skies, preferably using a light pollution map to improve the view — and don’t forget the weather forecast.
—
Jamie Carter, Space.com, 27 Nov. 2025
Steer clear of city lights as light pollution washes out everything.
—Valerie Mesa, PEOPLE, 25 Nov. 2025
Here, light pollution is not going to interfere with your spectacular view of Orion’s Belt.
—Bailey Berg, Architectural Digest, 25 Nov. 2025
The certification of Artis is not a key step in the worldwide effort to reduce light pollution and keep night skies dark, but also a benefit to the animals that live in and around the zoo—and us humans, too.
—Evie Carrick, Travel + Leisure, 20 Nov. 2025
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Jamie Carter, Space.com, 27 Nov. 2025
Steer clear of city lights as light pollution washes out everything.
—Valerie Mesa, PEOPLE, 25 Nov. 2025
Here, light pollution is not going to interfere with your spectacular view of Orion’s Belt.
—Bailey Berg, Architectural Digest, 25 Nov. 2025
The certification of Artis is not a key step in the worldwide effort to reduce light pollution and keep night skies dark, but also a benefit to the animals that live in and around the zoo—and us humans, too.
—Evie Carrick, Travel + Leisure, 20 Nov. 2025
See All Example Sentences for light pollution
Cite this Entry
“Light pollution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20pollution. Accessed 1 Dec. 2025.
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