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Ozone - Wikipedia
Ozone is formed from dioxygen by the action of ultraviolet (UV) light and electrical discharges within the Earth's atmosphere. It is present in very low concentrations throughout the atmosphere, with its highest concentration high in the ozone layer of the stratosphere, which absorbs most of the Sun 's ultraviolet (UV) radiation.
What is Ozone? - US EPA
Stratospheric ozone is formed naturally through the interaction of solar ultraviolet (UV) radiation with molecular oxygen (O2). The "ozone layer," approximately 6 through 30 miles above the Earth's surface, reduces the amount of harmful UV radiation reaching the Earth's surface.
Ozone | Definition, Properties, Air Pollution, Importance, Structure ...
Ozone is an irritating pale blue gas that is explosive and toxic, even at low concentrations. It occurs naturally in small amounts in Earth’s stratosphere, where it absorbs solar ultraviolet radiation, which otherwise could cause severe damage to living organisms on Earth’s surface.
Ozone - American Lung Association
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.
What is Ozone (O₃)? - Clean Air Initiative
Quick Answer: Ground-level ozone (O₃) is a colorless gas that forms when nitrogen oxides (NOₓ) and volatile organic compounds (VOCs) react in sunlight. Unlike protective ozone in the upper atmosphere, ground-level ozone is a harmful air pollutant that can damage your lungs and respiratory system.
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NASA Ozone Watch: Latest status of ozone
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.
What Is Earth’s Ozone Layer and Why Is It Important?
It is within this second layer, the stratosphere, that we find the ozone layer—a region rich in a rare but powerful molecule known as ozone, or O₃. This molecule is made up of three oxygen atoms instead of the usual two found in the oxygen we breathe (O₂).
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