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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 .
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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.
Jun 20, 2024 · Ozone (O3) is a highly reactive gas composed of three oxygen atoms. It is both a natural and a man-made product that occurs in the Earth's upper atmosphere. (the stratosphere) and lower atmosphere (the troposphere). Depending on where it is in the atmosphere, ozone affects life on Earth in either good or bad ways.
The ozone layer is mainly found in the lower portion of the stratosphere, from approximately 15 to 35 kilometers (9 to 22 mi) above Earth, although its thickness varies seasonally and geographically. The ozone layer was discovered in 1913 by French physicists Charles Fabry and Henri Buisson.
Jan 10, 2023 · The ozone layer’s status today. In a report released in early 2023, scientists keeping track of the ozone layer noted that Earth's atmosphere is recovering. The ozone layer will be restored...
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Apr 17, 2024 · Ozone (O 3) is a gas molecule composed of three oxygen atoms. Ozone is good up high, bad nearby. The ozone layer found high in the upper atmosphere shields us from much of the sun's ultraviolet radiation. However, ozone air pollution at ground level where we can breathe it causes serious health problems.
Jun 14, 2024 · ozone layer, region of the upper atmosphere, between roughly 15 and 35 km (9 and 22 miles) above Earth’s surface, containing relatively high concentrations of ozone molecules (O 3 ). Approximately 90 percent of the atmosphere’s ozone occurs in the stratosphere, the region extending from 10–18 km (6–11 miles) to approximately ...
The political agreements were very effective. Since then, global emissions have fallen by more than 99%. The ozone holes have stopped growing and are now starting to close. This page includes all of our data, visualizations, and writing on the ozone layer, its depletion, and its path to recovery.
Feb 14, 2023 · Ozone in the stratosphere absorbs most of the ultraviolet radiation from the Sun. Without ozone, the Sun’s intense UV radiation would sterilize the Earth’s surface. Ozone screens all of the most energetic, UV-c, radiation, and most of the UV-b radiation.
Oct 19, 2023 · The ozone layer is one layer of the stratosphere, the second layer of Earth’s atmosphere. The stratosphere is the mass of protective gases clinging to our planet. The stratosphere gets its name because it is stratified, or layered: as elevation increases, the stratosphere gets warmer.
Mar 13, 2023 · In our work on the ozone layer, we focus on this ozone high in the atmosphere (the ‘good ozone’). The impact of ozone near the surface (‘bad ozone’) is covered in our work on air pollution . Why is the ozone layer important?
As news of the discovery spread, alarm rippled around the world. Projections that the destruction of the ozone layer would adversely impact the health of humans and ecosystems sparked public fear...
Ozone is mainly found in two regions of the Earth's atmosphere. Most ozone (about 90%) resides in a layer that begins between 6 and 10 miles (10 and 17 kilometers) above the Earth's surface and extends up to about 30 miles (50 kilometers). This region of the atmosphere is called the stratosphere.
Apr 12, 2024 · At Earth's surface, ozone (O 3) is an air pollutant that is not directly emitted into the air, but instead it is formed through chemical reactions in the atmosphere when ultraviolet (UV) radiation from the sun interacts with nitrogen oxides (NO x = NO 2 + NO) and volatile organic compounds (VOCs).
Feb 9, 2021 · Ozone makes up roughly 0.00006% of the atmosphere and peak concentrations of it are present at 20 miles (32 km) above the surface, in an area known as the ozone layer, according to NASA. At...
Jan 9, 2023 · The ozone layer is a thin part of the Earth's atmosphere that absorbs most of the ultraviolet radiation from the Sun. When it is depleted, this radiation can reach the surface - causing potential...
Jul 30, 1999 · Ozone (O 3) is a relatively unstable molecule made up of three atoms of oxygen (O). Although it represents only a tiny fraction of the atmosphere, ozone is crucial for life on Earth. Depending on where ozone resides, it can protect or harm life on Earth.
The ozone layer is a region of high ozone concentration in the stratosphere, 15 to 35 kilometres above Earth's surface. The ozone layer acts as an invisible shield and protects us from harmful ultraviolet (UV) radiation from the sun.
When did we realize ozone depletion was an issue, and how did we fix it? By 1985, the globe had already seen advancements in the scientific understanding of ozone depletion and its impacts on human health and the environment. It was then that the Vienna Convention for the Protection of the Ozone Layer was created in response.
Jul 13, 2024 · View the latest status of the ozone layer over the Antarctic, with a focus on the ozone hole. Satellite instruments monitor the ozone layer, and we use their data to create the images that depict the amount of ozone.
Ozone is extremely valuable since it absorbs a range of ultraviolet energy. When an ozone molecule absorbs even low-energy ultraviolet radiation, it splits into an ordinary oxygen molecule and a free oxygen atom. Usually this free oxygen atom quickly re-joins with an oxygen molecule to form another ozone molecule.
Jan 14, 2023 · The ozone layer has been damaged over many years, in part due to chemicals called CFCs. It stands for chlorofluorocarbons, which are made up of chlorine, fluorine and carbon atoms.
