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Ozone (⫽ ˈ oʊ z oʊ n ⫽) (or trioxygen) is an inorganic molecule with the chemical formula O 3. It is a pale blue gas with a distinctively pungent smell. It is an allotrope of oxygen that is much less stable than the diatomic allotrope O 2, breaking down in the lower atmosphere to O 2 .
Learn about ozone, its sources and potential health risks. On this page. Health effects; Reduce exposure in the home; Indoor sources of ozone; About ozone; Recommended exposure limit for ozone; Related links; Health effects. Ground-level ozone can cause a variety of health effects, including: coughing; irritation of the: eyes; nose; throat ...
Jun 28, 2024 · Ozone is a triatomic allotrope of oxygen (a form of oxygen in which the molecule contains three atoms instead of two as in the common form) that accounts for the distinctive odor of the air after a thunderstorm or around electrical equipment.
- The Editors of Encyclopaedia Britannica
Feb 14, 2023 · What is Ozone? Ozone is a gas made up of three oxygen atoms (O 3 ). It occurs naturally in small (trace) amounts in the upper atmosphere (the stratosphere). Ozone protects life on Earth from the Sun’s ultraviolet (UV) radiation.
Apr 17, 2024 · Ozone (also called smog) is one of the most dangerous and widespread pollutants in the U.S. It may be hard to imagine that pollution could be invisible, but ozone begins that way. As ozone concentrates and mixes with other pollutants, we often call it by its older, more common name—smog.
Jan 10, 2023 · What is the ozone layer, and why does it matter? Human activity has damaged this protective layer of the stratosphere, but scientists say the ozone layer is on track for recovery.
Jun 14, 2024 · The ozone layer effectively blocks almost all solar radiation of wavelengths less than 290 nm from reaching Earth’s surface, including certain types of ultraviolet (UV) and other forms of radiation that could injure or kill most living things.
