Atmospheric ozone
Stratospheric ozone is formed naturally through the interaction of solar ultraviolet (UV) radiation with molecular oxygen (O2). The "ozone layer ...
Atmospheric Ozone - American Meteorological Society
High ground-level ozone amounts contribute to poor air quality, adversely affecting human health, agricultural productivity, and forested ...
Ozone facts - NASA Ozone Watch
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).
What is Ozone? - Utah Department of Environmental Quality
It occurs both in the Earth's upper atmosphere, or stratosphere, and at ground level in the lower atmosphere, or troposphere. Approximately 90 percent of ...
Atmospheric Ozone - an overview | ScienceDirect Topics
Roughly 90% of atmospheric ozone is in the stratosphere, the layer of the atmosphere from about 10 to 50km above the Earth's surface.
Ground-level Ozone Basics | US EPA
Ozone at ground level is a harmful air pollutant, because of its effects on people and the environment, and it is the main ingredient in “smog." ...
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 ...
Tropospheric ozone | Climate & Clean Air Coalition
Tropospheric ozone is a highly reactive oxidant that significantly reduces crop productivity as well as the uptake of atmospheric carbon by vegetation. Its ...
Ozone | American Lung Association
Ozone air pollution at ground level where we can breathe it causes serious health problems. Ozone aggressively attacks lung tissue by reacting chemically with ...
What is Stratospheric Ozone? - Defra, UK - UK-AIR
Stratospheric ozone is a naturally-occurring gas that filters the sun's ultraviolet (UV) radiation. This is typically regarded as 'good' ozone since it reduces ...
Ozone: The Facts - Texas Commission on Environmental Quality
Stratospheric Ozone is found naturally in the Earth's upper atmosphere ... Ground-Level Ozone is found at ground level (it is also called tropospheric ozone).
Ozone & Health - California Air Resources Board
... ground level, where people live, exercise and breathe. A layer of ozone high up in the atmosphere is called stratospheric ozone. This layer, far away from ...
Q2 How is ozone formed in the atmosphere?
Stratospheric ozone is formed naturally by chemical reactions involving solar ultraviolet radiation (sunlight) and oxygen molecules, which make up. 21% of the ...
Ozone Day | Ozone Science - the United Nations
Ozone constitutes a very small part of our atmosphere, but its presence is nevertheless vital to human well-being. Most ozone resides high up in ...
What is the current state of the ozone layer?
The 2023 ozone hole has been larger compared to 2022. Depletion of stratospheric ozone occurs over both hemispheres of the Earth. However, this ...
It contains a high concentration of ozone (O3) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere ...
NASA Ozone Watch: Latest status of ozone
NASA Ozone Watch. Images, data, and information for atmospheric ozone. Ozone Maps Meteorology Ozone Facts Multimedia Education · Northern Hemisphere. View the ...
What is Ozone? - California Air Resources Board - CA.gov
This pollutant forms in the atmosphere through complex reactions between chemicals directly emitted from vehicles, industrial plants, consumer ...
Q3: Why do we care about atmospheric ozone?
Good ozone. Stratospheric ozone is considered good for humans and other life forms because it absorbs ultra- violet (UV)-B radiation from the Sun ( ...
Ozone pollution and your health | Colorado Department of Public ...
This is because ground-level ozone pollution forms when certain air pollutants, known as “ozone precursors,” react in heat and sunlight. Ozone precursors ...